20513832

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 54846720

約数和(自身を除く): 34332888

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 137, 204, 274, 367, 408, 411, 548, 734, 822, 1096, 1101, 1468, 1644, 2202, 2329, 2936, 3288, 4404, 4658, 6239, 6987, 8808, 9316, 12478, 13974, 18632, 18717, 24956, 27948, 37434, 49912, 50279, 55896, 74868, 100558, 149736, 150837, 201116, 301674, 402232, 603348, 854743, 1206696, 1709486, 2564229, 3418972, 5128458, 6837944, 10256916, 20513832]

約数ペア:

[(1, 20513832), (2, 10256916), (3, 6837944), (4, 5128458), (6, 3418972), (8, 2564229), (12, 1709486), (17, 1206696), (24, 854743), (34, 603348), (51, 402232), (68, 301674), (102, 201116), (136, 150837), (137, 149736), (204, 100558), (274, 74868), (367, 55896), (408, 50279), (411, 49912), (548, 37434), (734, 27948), (822, 24956), (1096, 18717), (1101, 18632), (1468, 13974), (1644, 12478), (2202, 9316), (2329, 8808), (2936, 6987), (3288, 6239), (4404, 4658)]