20298922450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{86729}}^1$

素因数の和:86923

約数の個数: 48

約数和(自身を含む): 39232488960

約数和(自身を除く): 18933566510

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 151, 155, 302, 310, 755, 775, 1510, 1550, 3775, 4681, 7550, 9362, 23405, 46810, 86729, 117025, 173458, 234050, 433645, 867290, 2168225, 2688599, 4336450, 5377198, 13096079, 13442995, 26192158, 26885990, 65480395, 67214975, 130960790, 134429950, 327401975, 405978449, 654803950, 811956898, 2029892245, 4059784490, 10149461225, 20298922450]

約数ペア:

[(1, 20298922450), (2, 10149461225), (5, 4059784490), (10, 2029892245), (25, 811956898), (31, 654803950), (50, 405978449), (62, 327401975), (151, 134429950), (155, 130960790), (302, 67214975), (310, 65480395), (755, 26885990), (775, 26192158), (1510, 13442995), (1550, 13096079), (3775, 5377198), (4681, 4336450), (7550, 2688599), (9362, 2168225), (23405, 867290), (46810, 433645), (86729, 234050), (117025, 173458)]