20121571316

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1217}}^1\times {\mathrm{53681}}^1$

素因数の和:54920

約数の個数: 48

約数和(自身を含む): 43938502272

約数和(自身を除く): 23816930956

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 1217, 2434, 4868, 8519, 13387, 17038, 26774, 34076, 53548, 53681, 93709, 107362, 187418, 214724, 374836, 375767, 590491, 751534, 1180982, 1503068, 2361964, 4133437, 8266874, 16533748, 65329777, 130659554, 261319108, 457308439, 718627547, 914616878, 1437255094, 1829233756, 2874510188, 5030392829, 10060785658, 20121571316]

約数ペア:

[(1, 20121571316), (2, 10060785658), (4, 5030392829), (7, 2874510188), (11, 1829233756), (14, 1437255094), (22, 914616878), (28, 718627547), (44, 457308439), (77, 261319108), (154, 130659554), (308, 65329777), (1217, 16533748), (2434, 8266874), (4868, 4133437), (8519, 2361964), (13387, 1503068), (17038, 1180982), (26774, 751534), (34076, 590491), (53548, 375767), (53681, 374836), (93709, 214724), (107362, 187418)]