20249800780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:752

約数の個数: 192

約数和(自身を含む): 49502638080

約数和(自身を除く): 29252837300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 41, 44, 55, 62, 82, 110, 124, 139, 155, 164, 205, 220, 278, 310, 341, 410, 451, 521, 556, 620, 682, 695, 820, 902, 1042, 1271, 1364, 1390, 1529, 1705, 1804, 2084, 2255, 2542, 2605, 2780, 3058, 3410, 4309, 4510, 5084, 5210, 5699, 5731, 6116, 6355, 6820, 7645, 8618, 9020, 10420, 11398, 11462, 12710, 13981, 15290, 16151, 17236, 21361, 21545, 22796, 22924, 25420, 27962, 28495, 28655, 30580, 32302, 42722, 43090, 47399, 55924, 56990, 57310, 62689, 64604, 69905, 72419, 80755, 85444, 86180, 94798, 106805, 113980, 114620, 125378, 139810, 144838, 161510, 176669, 177661, 189596, 213610, 234971, 236995, 250756, 279620, 289676, 313445, 323020, 353338, 355322, 362095, 427220, 469942, 473990, 626890, 662191, 706676, 710644, 724190, 796609, 883345, 888305, 939884, 947980, 1174855, 1253780, 1324382, 1448380, 1593218, 1766690, 1776610, 1943359, 2244989, 2349710, 2648764, 2969179, 3186436, 3310955, 3533380, 3553220, 3886718, 3983045, 4489978, 4699420, 5938358, 6621910, 7284101, 7773436, 7966090, 8979956, 9716795, 11224945, 11876716, 13243820, 14568202, 14845895, 15932180, 19433590, 22449890, 24694879, 29136404, 29691790, 32660969, 36420505, 38867180, 44899780, 49389758, 59383580, 65321938, 72841010, 92044549, 98779516, 123474395, 130643876, 145682020, 163304845, 184089098, 246948790, 326609690, 368178196, 460222745, 493897580, 653219380, 920445490, 1012490039, 1840890980, 2024980078, 4049960156, 5062450195, 10124900390, 20249800780]

約数ペア:

[(1, 20249800780), (2, 10124900390), (4, 5062450195), (5, 4049960156), (10, 2024980078), (11, 1840890980), (20, 1012490039), (22, 920445490), (31, 653219380), (41, 493897580), (44, 460222745), (55, 368178196), (62, 326609690), (82, 246948790), (110, 184089098), (124, 163304845), (139, 145682020), (155, 130643876), (164, 123474395), (205, 98779516), (220, 92044549), (278, 72841010), (310, 65321938), (341, 59383580), (410, 49389758), (451, 44899780), (521, 38867180), (556, 36420505), (620, 32660969), (682, 29691790), (695, 29136404), (820, 24694879), (902, 22449890), (1042, 19433590), (1271, 15932180), (1364, 14845895), (1390, 14568202), (1529, 13243820), (1705, 11876716), (1804, 11224945), (2084, 9716795), (2255, 8979956), (2542, 7966090), (2605, 7773436), (2780, 7284101), (3058, 6621910), (3410, 5938358), (4309, 4699420), (4510, 4489978), (5084, 3983045), (5210, 3886718), (5699, 3553220), (5731, 3533380), (6116, 3310955), (6355, 3186436), (6820, 2969179), (7645, 2648764), (8618, 2349710), (9020, 2244989), (10420, 1943359), (11398, 1776610), (11462, 1766690), (12710, 1593218), (13981, 1448380), (15290, 1324382), (16151, 1253780), (17236, 1174855), (21361, 947980), (21545, 939884), (22796, 888305), (22924, 883345), (25420, 796609), (27962, 724190), (28495, 710644), (28655, 706676), (30580, 662191), (32302, 626890), (42722, 473990), (43090, 469942), (47399, 427220), (55924, 362095), (56990, 355322), (57310, 353338), (62689, 323020), (64604, 313445), (69905, 289676), (72419, 279620), (80755, 250756), (85444, 236995), (86180, 234971), (94798, 213610), (106805, 189596), (113980, 177661), (114620, 176669), (125378, 161510), (139810, 144838)]