20714512

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 50746752

約数和(自身を除く): 30032240

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 41, 52, 56, 82, 91, 104, 112, 164, 182, 208, 287, 328, 347, 364, 533, 574, 656, 694, 728, 1066, 1148, 1388, 1456, 2132, 2296, 2429, 2776, 3731, 4264, 4511, 4592, 4858, 5552, 7462, 8528, 9022, 9716, 14227, 14924, 18044, 19432, 28454, 29848, 31577, 36088, 38864, 56908, 59696, 63154, 72176, 99589, 113816, 126308, 184951, 199178, 227632, 252616, 369902, 398356, 505232, 739804, 796712, 1294657, 1479608, 1593424, 2589314, 2959216, 5178628, 10357256, 20714512]

約数ペア:

[(1, 20714512), (2, 10357256), (4, 5178628), (7, 2959216), (8, 2589314), (13, 1593424), (14, 1479608), (16, 1294657), (26, 796712), (28, 739804), (41, 505232), (52, 398356), (56, 369902), (82, 252616), (91, 227632), (104, 199178), (112, 184951), (164, 126308), (182, 113816), (208, 99589), (287, 72176), (328, 63154), (347, 59696), (364, 56908), (533, 38864), (574, 36088), (656, 31577), (694, 29848), (728, 28454), (1066, 19432), (1148, 18044), (1388, 14924), (1456, 14227), (2132, 9716), (2296, 9022), (2429, 8528), (2776, 7462), (3731, 5552), (4264, 4858), (4511, 4592)]