20120674

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 37428480

約数和(自身を除く): 17307806

約数列:

[1, 2, 7, 14, 31, 37, 49, 62, 74, 98, 179, 217, 259, 358, 434, 518, 1147, 1253, 1519, 1813, 2294, 2506, 3038, 3626, 5549, 6623, 8029, 8771, 11098, 13246, 16058, 17542, 38843, 46361, 56203, 77686, 92722, 112406, 205313, 271901, 324527, 410626, 543802, 649054, 1437191, 2874382, 10060337, 20120674]

約数ペア:

[(1, 20120674), (2, 10060337), (7, 2874382), (14, 1437191), (31, 649054), (37, 543802), (49, 410626), (62, 324527), (74, 271901), (98, 205313), (179, 112406), (217, 92722), (259, 77686), (358, 56203), (434, 46361), (518, 38843), (1147, 17542), (1253, 16058), (1519, 13246), (1813, 11098), (2294, 8771), (2506, 8029), (3038, 6623), (3626, 5549)]