20149610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{293}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 40970664

約数和(自身を除く): 20821054

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 293, 299, 529, 586, 598, 1058, 1465, 1495, 2645, 2930, 2990, 3809, 5290, 6739, 6877, 7618, 13478, 13754, 19045, 33695, 34385, 38090, 67390, 68770, 87607, 154997, 175214, 309994, 438035, 774985, 876070, 1549970, 2014961, 4029922, 10074805, 20149610]

約数ペア:

[(1, 20149610), (2, 10074805), (5, 4029922), (10, 2014961), (13, 1549970), (23, 876070), (26, 774985), (46, 438035), (65, 309994), (115, 175214), (130, 154997), (230, 87607), (293, 68770), (299, 67390), (529, 38090), (586, 34385), (598, 33695), (1058, 19045), (1465, 13754), (1495, 13478), (2645, 7618), (2930, 6877), (2990, 6739), (3809, 5290)]