20101310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 41150592

約数和(自身を除く): 21049282

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 53, 85, 97, 106, 115, 170, 194, 230, 265, 391, 485, 530, 782, 901, 970, 1219, 1649, 1802, 1955, 2231, 2438, 3298, 3910, 4462, 4505, 5141, 6095, 8245, 9010, 10282, 11155, 12190, 16490, 20723, 22310, 25705, 37927, 41446, 51410, 75854, 87397, 103615, 118243, 174794, 189635, 207230, 236486, 379270, 436985, 591215, 873970, 1182430, 2010131, 4020262, 10050655, 20101310]

約数ペア:

[(1, 20101310), (2, 10050655), (5, 4020262), (10, 2010131), (17, 1182430), (23, 873970), (34, 591215), (46, 436985), (53, 379270), (85, 236486), (97, 207230), (106, 189635), (115, 174794), (170, 118243), (194, 103615), (230, 87397), (265, 75854), (391, 51410), (485, 41446), (530, 37927), (782, 25705), (901, 22310), (970, 20723), (1219, 16490), (1649, 12190), (1802, 11155), (1955, 10282), (2231, 9010), (2438, 8245), (3298, 6095), (3910, 5141), (4462, 4505)]