20264530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 44126208

約数和(自身を除く): 23861678

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 37, 55, 65, 74, 110, 130, 143, 185, 286, 370, 383, 407, 481, 715, 766, 814, 962, 1430, 1915, 2035, 2405, 3830, 4070, 4213, 4810, 4979, 5291, 8426, 9958, 10582, 14171, 21065, 24895, 26455, 28342, 42130, 49790, 52910, 54769, 70855, 109538, 141710, 155881, 184223, 273845, 311762, 368446, 547690, 779405, 921115, 1558810, 1842230, 2026453, 4052906, 10132265, 20264530]

約数ペア:

[(1, 20264530), (2, 10132265), (5, 4052906), (10, 2026453), (11, 1842230), (13, 1558810), (22, 921115), (26, 779405), (37, 547690), (55, 368446), (65, 311762), (74, 273845), (110, 184223), (130, 155881), (143, 141710), (185, 109538), (286, 70855), (370, 54769), (383, 52910), (407, 49790), (481, 42130), (715, 28342), (766, 26455), (814, 24895), (962, 21065), (1430, 14171), (1915, 10582), (2035, 9958), (2405, 8426), (3830, 5291), (4070, 4979), (4213, 4810)]