20145679972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1\times {\mathrm{3677}}^1$

素因数の和:4452

約数の個数: 48

約数和(自身を含む): 38705506560

約数和(自身を除く): 18559826588

約数列:

[1, 2, 4, 11, 22, 44, 239, 478, 521, 956, 1042, 2084, 2629, 3677, 5258, 5731, 7354, 10516, 11462, 14708, 22924, 40447, 80894, 124519, 161788, 249038, 498076, 878803, 1369709, 1757606, 1915717, 2739418, 3515212, 3831434, 5478836, 7662868, 9666833, 19333666, 21072887, 38667332, 42145774, 84291548, 457856363, 915712726, 1831425452, 5036419993, 10072839986, 20145679972]

約数ペア:

[(1, 20145679972), (2, 10072839986), (4, 5036419993), (11, 1831425452), (22, 915712726), (44, 457856363), (239, 84291548), (478, 42145774), (521, 38667332), (956, 21072887), (1042, 19333666), (2084, 9666833), (2629, 7662868), (3677, 5478836), (5258, 3831434), (5731, 3515212), (7354, 2739418), (10516, 1915717), (11462, 1757606), (14708, 1369709), (22924, 878803), (40447, 498076), (80894, 249038), (124519, 161788)]