20108524125

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{919}}^1$

素因数の和:1076

約数の個数: 128

約数和(自身を含む): 36649267200

約数和(自身を除く): 16540743075

約数列:

[1, 3, 5, 15, 19, 25, 37, 57, 75, 83, 95, 111, 125, 185, 249, 285, 375, 415, 475, 555, 703, 919, 925, 1245, 1425, 1577, 2075, 2109, 2375, 2757, 2775, 3071, 3515, 4595, 4625, 4731, 6225, 7125, 7885, 9213, 10375, 10545, 13785, 13875, 15355, 17461, 17575, 22975, 23655, 31125, 34003, 39425, 46065, 52383, 52725, 58349, 68925, 76277, 76775, 87305, 87875, 102009, 114875, 118275, 170015, 175047, 197125, 228831, 230325, 261915, 263625, 291745, 344625, 381385, 383875, 436525, 510045, 591375, 646057, 850075, 875235, 1144155, 1151625, 1309575, 1449263, 1458725, 1906925, 1938171, 2182625, 2550225, 2822249, 3230285, 4250375, 4347789, 4376175, 5720775, 6547875, 7246315, 7293625, 8466747, 9534625, 9690855, 12751125, 14111245, 16151425, 21738945, 21880875, 28603875, 36231575, 42333735, 48454275, 53622731, 70556225, 80757125, 108694725, 160868193, 181157875, 211668675, 242271375, 268113655, 352781125, 543473625, 804340965, 1058343375, 1340568275, 4021704825, 6702841375, 20108524125]

約数ペア:

[(1, 20108524125), (3, 6702841375), (5, 4021704825), (15, 1340568275), (19, 1058343375), (25, 804340965), (37, 543473625), (57, 352781125), (75, 268113655), (83, 242271375), (95, 211668675), (111, 181157875), (125, 160868193), (185, 108694725), (249, 80757125), (285, 70556225), (375, 53622731), (415, 48454275), (475, 42333735), (555, 36231575), (703, 28603875), (919, 21880875), (925, 21738945), (1245, 16151425), (1425, 14111245), (1577, 12751125), (2075, 9690855), (2109, 9534625), (2375, 8466747), (2757, 7293625), (2775, 7246315), (3071, 6547875), (3515, 5720775), (4595, 4376175), (4625, 4347789), (4731, 4250375), (6225, 3230285), (7125, 2822249), (7885, 2550225), (9213, 2182625), (10375, 1938171), (10545, 1906925), (13785, 1458725), (13875, 1449263), (15355, 1309575), (17461, 1151625), (17575, 1144155), (22975, 875235), (23655, 850075), (31125, 646057), (34003, 591375), (39425, 510045), (46065, 436525), (52383, 383875), (52725, 381385), (58349, 344625), (68925, 291745), (76277, 263625), (76775, 261915), (87305, 230325), (87875, 228831), (102009, 197125), (114875, 175047), (118275, 170015)]