20291010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 51166080

約数和(自身を除く): 30875070

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 83, 87, 145, 166, 174, 249, 281, 290, 415, 435, 498, 562, 830, 843, 870, 1245, 1405, 1686, 2407, 2490, 2810, 4215, 4814, 7221, 8149, 8430, 12035, 14442, 16298, 23323, 24070, 24447, 36105, 40745, 46646, 48894, 69969, 72210, 81490, 116615, 122235, 139938, 233230, 244470, 349845, 676367, 699690, 1352734, 2029101, 3381835, 4058202, 6763670, 10145505, 20291010]

約数ペア:

[(1, 20291010), (2, 10145505), (3, 6763670), (5, 4058202), (6, 3381835), (10, 2029101), (15, 1352734), (29, 699690), (30, 676367), (58, 349845), (83, 244470), (87, 233230), (145, 139938), (166, 122235), (174, 116615), (249, 81490), (281, 72210), (290, 69969), (415, 48894), (435, 46646), (498, 40745), (562, 36105), (830, 24447), (843, 24070), (870, 23323), (1245, 16298), (1405, 14442), (1686, 12035), (2407, 8430), (2490, 8149), (2810, 7221), (4215, 4814)]