20172972128

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{8878949}}^1$

素因数の和:8879030

約数の個数: 24

約数和(自身を含む): 40274917200

約数和(自身を除く): 20101945072

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 8878949, 17757898, 35515796, 71031592, 142063184, 284126368, 630405379, 1260810758, 2521621516, 5043243032, 10086486064, 20172972128]

約数ペア:

[(1, 20172972128), (2, 10086486064), (4, 5043243032), (8, 2521621516), (16, 1260810758), (32, 630405379), (71, 284126368), (142, 142063184), (284, 71031592), (568, 35515796), (1136, 17757898), (2272, 8878949)]