20105325

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4703}}^1$

素因数の和:4738

約数の個数: 36

約数和(自身を含む): 37914240

約数和(自身を除く): 17808915

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 4703, 14109, 23515, 42327, 70545, 89357, 117575, 211635, 268071, 352725, 446785, 804213, 1058175, 1340355, 2233925, 4021065, 6701775, 20105325]

約数ペア:

[(1, 20105325), (3, 6701775), (5, 4021065), (9, 2233925), (15, 1340355), (19, 1058175), (25, 804213), (45, 446785), (57, 352725), (75, 268071), (95, 211635), (171, 117575), (225, 89357), (285, 70545), (475, 42327), (855, 23515), (1425, 14109), (4275, 4703)]