20120851920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{222379}}^1$

素因数の和:222437

約数の個数: 160

約数和(自身を含む): 69489302400

約数和(自身を除く): 49368450480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 29, 30, 39, 40, 48, 52, 58, 60, 65, 78, 80, 87, 104, 116, 120, 130, 145, 156, 174, 195, 208, 232, 240, 260, 290, 312, 348, 377, 390, 435, 464, 520, 580, 624, 696, 754, 780, 870, 1040, 1131, 1160, 1392, 1508, 1560, 1740, 1885, 2262, 2320, 3016, 3120, 3480, 3770, 4524, 5655, 6032, 6960, 7540, 9048, 11310, 15080, 18096, 22620, 30160, 45240, 90480, 222379, 444758, 667137, 889516, 1111895, 1334274, 1779032, 2223790, 2668548, 2890927, 3335685, 3558064, 4447580, 5337096, 5781854, 6448991, 6671370, 8672781, 8895160, 10674192, 11563708, 12897982, 13342740, 14454635, 17345562, 17790320, 19346973, 23127416, 25795964, 26685480, 28909270, 32244955, 34691124, 38693946, 43363905, 46254832, 51591928, 53370960, 57818540, 64489910, 69382248, 77387892, 83836883, 86727810, 96734865, 103183856, 115637080, 128979820, 138764496, 154775784, 167673766, 173455620, 193469730, 231274160, 251510649, 257959640, 309551568, 335347532, 346911240, 386939460, 419184415, 503021298, 515919280, 670695064, 693822480, 773878920, 838368830, 1006042596, 1257553245, 1341390128, 1547757840, 1676737660, 2012085192, 2515106490, 3353475320, 4024170384, 5030212980, 6706950640, 10060425960, 20120851920]

約数ペア:

[(1, 20120851920), (2, 10060425960), (3, 6706950640), (4, 5030212980), (5, 4024170384), (6, 3353475320), (8, 2515106490), (10, 2012085192), (12, 1676737660), (13, 1547757840), (15, 1341390128), (16, 1257553245), (20, 1006042596), (24, 838368830), (26, 773878920), (29, 693822480), (30, 670695064), (39, 515919280), (40, 503021298), (48, 419184415), (52, 386939460), (58, 346911240), (60, 335347532), (65, 309551568), (78, 257959640), (80, 251510649), (87, 231274160), (104, 193469730), (116, 173455620), (120, 167673766), (130, 154775784), (145, 138764496), (156, 128979820), (174, 115637080), (195, 103183856), (208, 96734865), (232, 86727810), (240, 83836883), (260, 77387892), (290, 69382248), (312, 64489910), (348, 57818540), (377, 53370960), (390, 51591928), (435, 46254832), (464, 43363905), (520, 38693946), (580, 34691124), (624, 32244955), (696, 28909270), (754, 26685480), (780, 25795964), (870, 23127416), (1040, 19346973), (1131, 17790320), (1160, 17345562), (1392, 14454635), (1508, 13342740), (1560, 12897982), (1740, 11563708), (1885, 10674192), (2262, 8895160), (2320, 8672781), (3016, 6671370), (3120, 6448991), (3480, 5781854), (3770, 5337096), (4524, 4447580), (5655, 3558064), (6032, 3335685), (6960, 2890927), (7540, 2668548), (9048, 2223790), (11310, 1779032), (15080, 1334274), (18096, 1111895), (22620, 889516), (30160, 667137), (45240, 444758), (90480, 222379)]