20211657925

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{4603}}^1$

素因数の和:4798

約数の個数: 48

約数和(自身を含む): 26553514752

約数和(自身を除く): 6341856827

約数列:

[1, 5, 25, 37, 47, 101, 185, 235, 505, 925, 1175, 1739, 2525, 3737, 4603, 4747, 8695, 18685, 23015, 23735, 43475, 93425, 115075, 118675, 170311, 175639, 216341, 464903, 851555, 878195, 1081705, 2324515, 4257775, 4390975, 5408525, 8004617, 11622575, 17201411, 21850441, 40023085, 86007055, 109252205, 200115425, 430035275, 546261025, 808466317, 4042331585, 20211657925]

約数ペア:

[(1, 20211657925), (5, 4042331585), (25, 808466317), (37, 546261025), (47, 430035275), (101, 200115425), (185, 109252205), (235, 86007055), (505, 40023085), (925, 21850441), (1175, 17201411), (1739, 11622575), (2525, 8004617), (3737, 5408525), (4603, 4390975), (4747, 4257775), (8695, 2324515), (18685, 1081705), (23015, 878195), (23735, 851555), (43475, 464903), (93425, 216341), (115075, 175639), (118675, 170311)]