20123793340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{75773}}^1$

素因数の和:76067

約数の個数: 72

約数和(自身を含む): 49341604032

約数和(自身を除く): 29217810692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 271, 490, 542, 980, 1084, 1355, 1897, 2710, 3794, 5420, 7588, 9485, 13279, 18970, 26558, 37940, 53116, 66395, 75773, 132790, 151546, 265580, 303092, 378865, 530411, 757730, 1060822, 1515460, 2121644, 2652055, 3712877, 5304110, 7425754, 10608220, 14851508, 18564385, 20534483, 37128770, 41068966, 74257540, 82137932, 102672415, 143741381, 205344830, 287482762, 410689660, 574965524, 718706905, 1006189667, 1437413810, 2012379334, 2874827620, 4024758668, 5030948335, 10061896670, 20123793340]

約数ペア:

[(1, 20123793340), (2, 10061896670), (4, 5030948335), (5, 4024758668), (7, 2874827620), (10, 2012379334), (14, 1437413810), (20, 1006189667), (28, 718706905), (35, 574965524), (49, 410689660), (70, 287482762), (98, 205344830), (140, 143741381), (196, 102672415), (245, 82137932), (271, 74257540), (490, 41068966), (542, 37128770), (980, 20534483), (1084, 18564385), (1355, 14851508), (1897, 10608220), (2710, 7425754), (3794, 5304110), (5420, 3712877), (7588, 2652055), (9485, 2121644), (13279, 1515460), (18970, 1060822), (26558, 757730), (37940, 530411), (53116, 378865), (66395, 303092), (75773, 265580), (132790, 151546)]