20235380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 50319360

約数和(自身を除く): 30083980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 47, 55, 76, 94, 95, 103, 110, 188, 190, 206, 209, 220, 235, 380, 412, 418, 470, 515, 517, 836, 893, 940, 1030, 1034, 1045, 1133, 1786, 1957, 2060, 2068, 2090, 2266, 2585, 3572, 3914, 4180, 4465, 4532, 4841, 5170, 5665, 7828, 8930, 9682, 9785, 9823, 10340, 11330, 17860, 19364, 19570, 19646, 21527, 22660, 24205, 39140, 39292, 43054, 48410, 49115, 53251, 86108, 91979, 96820, 98230, 106502, 107635, 183958, 196460, 213004, 215270, 266255, 367916, 430540, 459895, 532510, 919790, 1011769, 1065020, 1839580, 2023538, 4047076, 5058845, 10117690, 20235380]

約数ペア:

[(1, 20235380), (2, 10117690), (4, 5058845), (5, 4047076), (10, 2023538), (11, 1839580), (19, 1065020), (20, 1011769), (22, 919790), (38, 532510), (44, 459895), (47, 430540), (55, 367916), (76, 266255), (94, 215270), (95, 213004), (103, 196460), (110, 183958), (188, 107635), (190, 106502), (206, 98230), (209, 96820), (220, 91979), (235, 86108), (380, 53251), (412, 49115), (418, 48410), (470, 43054), (515, 39292), (517, 39140), (836, 24205), (893, 22660), (940, 21527), (1030, 19646), (1034, 19570), (1045, 19364), (1133, 17860), (1786, 11330), (1957, 10340), (2060, 9823), (2068, 9785), (2090, 9682), (2266, 8930), (2585, 7828), (3572, 5665), (3914, 5170), (4180, 4841), (4465, 4532)]