20170704940

素因数分解:

$2^2\times 5^1\times {\mathrm{53993}}^1\times {\mathrm{18679}}^1$

素因数の和:72681

約数の個数: 24

約数和(自身を含む): 42361532640

約数和(自身を除く): 22190827700

約数列:

[1, 2, 4, 5, 10, 20, 18679, 37358, 53993, 74716, 93395, 107986, 186790, 215972, 269965, 373580, 539930, 1079860, 1008535247, 2017070494, 4034140988, 5042676235, 10085352470, 20170704940]

約数ペア:

[(1, 20170704940), (2, 10085352470), (4, 5042676235), (5, 4034140988), (10, 2017070494), (20, 1008535247), (18679, 1079860), (37358, 539930), (53993, 373580), (74716, 269965), (93395, 215972), (107986, 186790)]