20938974

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1063}}^1$

素因数の和:1149

約数の個数: 48

約数和(自身を含む): 49488768

約数和(自身を除く): 28549794

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 67, 98, 134, 147, 201, 294, 402, 469, 938, 1063, 1407, 2126, 2814, 3189, 3283, 6378, 6566, 7441, 9849, 14882, 19698, 22323, 44646, 52087, 71221, 104174, 142442, 156261, 213663, 312522, 427326, 498547, 997094, 1495641, 2991282, 3489829, 6979658, 10469487, 20938974]

約数ペア:

[(1, 20938974), (2, 10469487), (3, 6979658), (6, 3489829), (7, 2991282), (14, 1495641), (21, 997094), (42, 498547), (49, 427326), (67, 312522), (98, 213663), (134, 156261), (147, 142442), (201, 104174), (294, 71221), (402, 52087), (469, 44646), (938, 22323), (1063, 19698), (1407, 14882), (2126, 9849), (2814, 7441), (3189, 6566), (3283, 6378)]