20864378878

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{460969}}^1$

素因数の和:461092

約数の個数: 32

約数和(自身を含む): 37039861440

約数和(自身を除く): 16175482562

約数列:

[1, 2, 7, 14, 53, 61, 106, 122, 371, 427, 742, 854, 3233, 6466, 22631, 45262, 460969, 921938, 3226783, 6453566, 24431357, 28119109, 48862714, 56238218, 171019499, 196833763, 342038998, 393667526, 1490312777, 2980625554, 10432189439, 20864378878]

約数ペア:

[(1, 20864378878), (2, 10432189439), (7, 2980625554), (14, 1490312777), (53, 393667526), (61, 342038998), (106, 196833763), (122, 171019499), (371, 56238218), (427, 48862714), (742, 28119109), (854, 24431357), (3233, 6453566), (6466, 3226783), (22631, 921938), (45262, 460969)]