20150380796

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{248243}}^1$

素因数の和:248490

約数の個数: 48

約数和(自身を含む): 43595618304

約数和(自身を除く): 23445237508

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 223, 364, 446, 892, 1561, 2899, 3122, 5798, 6244, 11596, 20293, 40586, 81172, 248243, 496486, 992972, 1737701, 3227159, 3475402, 6454318, 6950804, 12908636, 22590113, 45180226, 55358189, 90360452, 110716378, 221432756, 387507323, 719656457, 775014646, 1439312914, 1550029292, 2878625828, 5037595199, 10075190398, 20150380796]

約数ペア:

[(1, 20150380796), (2, 10075190398), (4, 5037595199), (7, 2878625828), (13, 1550029292), (14, 1439312914), (26, 775014646), (28, 719656457), (52, 387507323), (91, 221432756), (182, 110716378), (223, 90360452), (364, 55358189), (446, 45180226), (892, 22590113), (1561, 12908636), (2899, 6950804), (3122, 6454318), (5798, 3475402), (6244, 3227159), (11596, 1737701), (20293, 992972), (40586, 496486), (81172, 248243)]