20199168028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{653}}^1\times {\mathrm{1657}}^1$

素因数の和:2686

約数の個数: 48

約数和(自身を含む): 38255232960

約数和(自身を除く): 18056064932

約数列:

[1, 2, 4, 13, 26, 52, 359, 653, 718, 1306, 1436, 1657, 2612, 3314, 4667, 6628, 8489, 9334, 16978, 18668, 21541, 33956, 43082, 86164, 234427, 468854, 594863, 937708, 1082021, 1189726, 2164042, 2379452, 3047551, 4328084, 6095102, 7733219, 12190204, 14066273, 15466438, 28132546, 30932876, 56265092, 388445539, 776891078, 1553782156, 5049792007, 10099584014, 20199168028]

約数ペア:

[(1, 20199168028), (2, 10099584014), (4, 5049792007), (13, 1553782156), (26, 776891078), (52, 388445539), (359, 56265092), (653, 30932876), (718, 28132546), (1306, 15466438), (1436, 14066273), (1657, 12190204), (2612, 7733219), (3314, 6095102), (4667, 4328084), (6628, 3047551), (8489, 2379452), (9334, 2164042), (16978, 1189726), (18668, 1082021), (21541, 937708), (33956, 594863), (43082, 468854), (86164, 234427)]