20587212830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9431}}^1\times {\mathrm{9491}}^1$

素因数の和:18952

約数の個数: 32

約数和(自身を含む): 38676331008

約数和(自身を除く): 18089118178

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 9431, 9491, 18862, 18982, 47155, 47455, 94310, 94910, 216913, 218293, 433826, 436586, 1084565, 1091465, 2169130, 2182930, 89509621, 179019242, 447548105, 895096210, 2058721283, 4117442566, 10293606415, 20587212830]

約数ペア:

[(1, 20587212830), (2, 10293606415), (5, 4117442566), (10, 2058721283), (23, 895096210), (46, 447548105), (115, 179019242), (230, 89509621), (9431, 2182930), (9491, 2169130), (18862, 1091465), (18982, 1084565), (47155, 436586), (47455, 433826), (94310, 218293), (94910, 216913)]