20449740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5087}}^1$

素因数の和:5166

約数の個数: 48

約数和(自身を含む): 58125312

約数和(自身を除く): 37675572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 5087, 10174, 15261, 20348, 25435, 30522, 50870, 61044, 76305, 101740, 152610, 305220, 340829, 681658, 1022487, 1363316, 1704145, 2044974, 3408290, 4089948, 5112435, 6816580, 10224870, 20449740]

約数ペア:

[(1, 20449740), (2, 10224870), (3, 6816580), (4, 5112435), (5, 4089948), (6, 3408290), (10, 2044974), (12, 1704145), (15, 1363316), (20, 1022487), (30, 681658), (60, 340829), (67, 305220), (134, 152610), (201, 101740), (268, 76305), (335, 61044), (402, 50870), (670, 30522), (804, 25435), (1005, 20348), (1340, 15261), (2010, 10174), (4020, 5087)]