20067616

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{997}}^1$

素因数の和:1061

約数の個数: 48

約数和(自身を含む): 43005816

約数和(自身を除く): 22938200

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 68, 74, 136, 148, 272, 296, 544, 592, 629, 997, 1184, 1258, 1994, 2516, 3988, 5032, 7976, 10064, 15952, 16949, 20128, 31904, 33898, 36889, 67796, 73778, 135592, 147556, 271184, 295112, 542368, 590224, 627113, 1180448, 1254226, 2508452, 5016904, 10033808, 20067616]

約数ペア:

[(1, 20067616), (2, 10033808), (4, 5016904), (8, 2508452), (16, 1254226), (17, 1180448), (32, 627113), (34, 590224), (37, 542368), (68, 295112), (74, 271184), (136, 147556), (148, 135592), (272, 73778), (296, 67796), (544, 36889), (592, 33898), (629, 31904), (997, 20128), (1184, 16949), (1258, 15952), (1994, 10064), (2516, 7976), (3988, 5032)]