20479878

素因数分解:

$2^1\times 3^4\times {\mathrm{167}}^1\times {\mathrm{757}}^1$

素因数の和:938

約数の個数: 40

約数和(自身を含む): 46225872

約数和(自身を除く): 25745994

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 167, 334, 501, 757, 1002, 1503, 1514, 2271, 3006, 4509, 4542, 6813, 9018, 13527, 13626, 20439, 27054, 40878, 61317, 122634, 126419, 252838, 379257, 758514, 1137771, 2275542, 3413313, 6826626, 10239939, 20479878]

約数ペア:

[(1, 20479878), (2, 10239939), (3, 6826626), (6, 3413313), (9, 2275542), (18, 1137771), (27, 758514), (54, 379257), (81, 252838), (162, 126419), (167, 122634), (334, 61317), (501, 40878), (757, 27054), (1002, 20439), (1503, 13626), (1514, 13527), (2271, 9018), (3006, 6813), (4509, 4542)]