20873190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 56920320

約数和(自身を除く): 36047130

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 169, 179, 195, 230, 299, 338, 345, 358, 390, 507, 537, 598, 690, 845, 895, 897, 1014, 1074, 1495, 1690, 1790, 1794, 2327, 2535, 2685, 2990, 3887, 4117, 4485, 4654, 5070, 5370, 6981, 7774, 8234, 8970, 11635, 11661, 12351, 13962, 19435, 20585, 23270, 23322, 24702, 30251, 34905, 38870, 41170, 53521, 58305, 60502, 61755, 69810, 90753, 107042, 116610, 123510, 151255, 160563, 181506, 267605, 302510, 321126, 453765, 535210, 695773, 802815, 907530, 1391546, 1605630, 2087319, 3478865, 4174638, 6957730, 10436595, 20873190]

約数ペア:

[(1, 20873190), (2, 10436595), (3, 6957730), (5, 4174638), (6, 3478865), (10, 2087319), (13, 1605630), (15, 1391546), (23, 907530), (26, 802815), (30, 695773), (39, 535210), (46, 453765), (65, 321126), (69, 302510), (78, 267605), (115, 181506), (130, 160563), (138, 151255), (169, 123510), (179, 116610), (195, 107042), (230, 90753), (299, 69810), (338, 61755), (345, 60502), (358, 58305), (390, 53521), (507, 41170), (537, 38870), (598, 34905), (690, 30251), (845, 24702), (895, 23322), (897, 23270), (1014, 20585), (1074, 19435), (1495, 13962), (1690, 12351), (1790, 11661), (1794, 11635), (2327, 8970), (2535, 8234), (2685, 7774), (2990, 6981), (3887, 5370), (4117, 5070), (4485, 4654)]