20480459912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{173293}}^1$

素因数の和:173406

約数の個数: 64

約数和(自身を含む): 44917804800

約数和(自身を除く): 24437344888

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 79, 88, 136, 158, 187, 316, 374, 632, 748, 869, 1343, 1496, 1738, 2686, 3476, 5372, 6952, 10744, 14773, 29546, 59092, 118184, 173293, 346586, 693172, 1386344, 1906223, 2945981, 3812446, 5891962, 7624892, 11783924, 13690147, 15249784, 23567848, 27380294, 32405791, 54760588, 64811582, 109521176, 129623164, 150591617, 232732499, 259246328, 301183234, 465464998, 602366468, 930929996, 1204732936, 1861859992, 2560057489, 5120114978, 10240229956, 20480459912]

約数ペア:

[(1, 20480459912), (2, 10240229956), (4, 5120114978), (8, 2560057489), (11, 1861859992), (17, 1204732936), (22, 930929996), (34, 602366468), (44, 465464998), (68, 301183234), (79, 259246328), (88, 232732499), (136, 150591617), (158, 129623164), (187, 109521176), (316, 64811582), (374, 54760588), (632, 32405791), (748, 27380294), (869, 23567848), (1343, 15249784), (1496, 13690147), (1738, 11783924), (2686, 7624892), (3476, 5891962), (5372, 3812446), (6952, 2945981), (10744, 1906223), (14773, 1386344), (29546, 693172), (59092, 346586), (118184, 173293)]