20670479360

素因数分解:

$2^{10}\times 5^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:618

約数の個数: 176

約数和(自身を含む): 50709528576

約数和(自身を除く): 30039049216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 127, 128, 160, 166, 254, 256, 320, 332, 383, 415, 508, 512, 635, 640, 664, 766, 830, 1016, 1024, 1270, 1280, 1328, 1532, 1660, 1915, 2032, 2540, 2560, 2656, 3064, 3320, 3830, 4064, 5080, 5120, 5312, 6128, 6640, 7660, 8128, 10160, 10541, 10624, 12256, 13280, 15320, 16256, 20320, 21082, 21248, 24512, 26560, 30640, 31789, 32512, 40640, 42164, 42496, 48641, 49024, 52705, 53120, 61280, 63578, 65024, 81280, 84328, 84992, 97282, 98048, 105410, 106240, 122560, 127156, 130048, 158945, 162560, 168656, 194564, 196096, 210820, 212480, 243205, 245120, 254312, 317890, 325120, 337312, 389128, 392192, 421640, 424960, 486410, 490240, 508624, 635780, 650240, 674624, 778256, 843280, 972820, 980480, 1017248, 1271560, 1349248, 1556512, 1686560, 1945640, 1960960, 2034496, 2543120, 2698496, 3113024, 3373120, 3891280, 4037203, 4068992, 5086240, 5396992, 6226048, 6746240, 7782560, 8074406, 8137984, 10172480, 10793984, 12452096, 13492480, 15565120, 16148812, 16275968, 20186015, 20344960, 24904192, 26984960, 31130240, 32297624, 32551936, 40372030, 40689920, 49808384, 53969920, 62260480, 64595248, 80744060, 81379840, 124520960, 129190496, 161488120, 162759680, 249041920, 258380992, 322976240, 516761984, 645952480, 1033523968, 1291904960, 2067047936, 2583809920, 4134095872, 5167619840, 10335239680, 20670479360]

約数ペア:

[(1, 20670479360), (2, 10335239680), (4, 5167619840), (5, 4134095872), (8, 2583809920), (10, 2067047936), (16, 1291904960), (20, 1033523968), (32, 645952480), (40, 516761984), (64, 322976240), (80, 258380992), (83, 249041920), (127, 162759680), (128, 161488120), (160, 129190496), (166, 124520960), (254, 81379840), (256, 80744060), (320, 64595248), (332, 62260480), (383, 53969920), (415, 49808384), (508, 40689920), (512, 40372030), (635, 32551936), (640, 32297624), (664, 31130240), (766, 26984960), (830, 24904192), (1016, 20344960), (1024, 20186015), (1270, 16275968), (1280, 16148812), (1328, 15565120), (1532, 13492480), (1660, 12452096), (1915, 10793984), (2032, 10172480), (2540, 8137984), (2560, 8074406), (2656, 7782560), (3064, 6746240), (3320, 6226048), (3830, 5396992), (4064, 5086240), (5080, 4068992), (5120, 4037203), (5312, 3891280), (6128, 3373120), (6640, 3113024), (7660, 2698496), (8128, 2543120), (10160, 2034496), (10541, 1960960), (10624, 1945640), (12256, 1686560), (13280, 1556512), (15320, 1349248), (16256, 1271560), (20320, 1017248), (21082, 980480), (21248, 972820), (24512, 843280), (26560, 778256), (30640, 674624), (31789, 650240), (32512, 635780), (40640, 508624), (42164, 490240), (42496, 486410), (48641, 424960), (49024, 421640), (52705, 392192), (53120, 389128), (61280, 337312), (63578, 325120), (65024, 317890), (81280, 254312), (84328, 245120), (84992, 243205), (97282, 212480), (98048, 210820), (105410, 196096), (106240, 194564), (122560, 168656), (127156, 162560), (130048, 158945)]