20633620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7757}}^1$

素因数の和:7792

約数の個数: 48

約数和(自身を含む): 52133760

約数和(自身を除く): 31500140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 7757, 15514, 31028, 38785, 54299, 77570, 108598, 147383, 155140, 217196, 271495, 294766, 542990, 589532, 736915, 1031681, 1085980, 1473830, 2063362, 2947660, 4126724, 5158405, 10316810, 20633620]

約数ペア:

[(1, 20633620), (2, 10316810), (4, 5158405), (5, 4126724), (7, 2947660), (10, 2063362), (14, 1473830), (19, 1085980), (20, 1031681), (28, 736915), (35, 589532), (38, 542990), (70, 294766), (76, 271495), (95, 217196), (133, 155140), (140, 147383), (190, 108598), (266, 77570), (380, 54299), (532, 38785), (665, 31028), (1330, 15514), (2660, 7757)]