20757114

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 53395200

約数和(自身を除く): 32638086

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 89, 126, 178, 189, 267, 378, 534, 617, 623, 801, 1234, 1246, 1602, 1851, 1869, 2403, 3702, 3738, 4319, 4806, 5553, 5607, 8638, 11106, 11214, 12957, 16659, 16821, 25914, 33318, 33642, 38871, 54913, 77742, 109826, 116613, 164739, 233226, 329478, 384391, 494217, 768782, 988434, 1153173, 1482651, 2306346, 2965302, 3459519, 6919038, 10378557, 20757114]

約数ペア:

[(1, 20757114), (2, 10378557), (3, 6919038), (6, 3459519), (7, 2965302), (9, 2306346), (14, 1482651), (18, 1153173), (21, 988434), (27, 768782), (42, 494217), (54, 384391), (63, 329478), (89, 233226), (126, 164739), (178, 116613), (189, 109826), (267, 77742), (378, 54913), (534, 38871), (617, 33642), (623, 33318), (801, 25914), (1234, 16821), (1246, 16659), (1602, 12957), (1851, 11214), (1869, 11106), (2403, 8638), (3702, 5607), (3738, 5553), (4319, 4806)]