20330249432

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{256721}}^1$

素因数の和:257267

約数の個数: 32

約数和(自身を含む): 40202665200

約数和(自身を除く): 19872415768

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 521, 1042, 2084, 4168, 9899, 19798, 39596, 79192, 256721, 513442, 1026884, 2053768, 4877699, 9755398, 19510796, 39021592, 133751641, 267503282, 535006564, 1070013128, 2541281179, 5082562358, 10165124716, 20330249432]

約数ペア:

[(1, 20330249432), (2, 10165124716), (4, 5082562358), (8, 2541281179), (19, 1070013128), (38, 535006564), (76, 267503282), (152, 133751641), (521, 39021592), (1042, 19510796), (2084, 9755398), (4168, 4877699), (9899, 2053768), (19798, 1026884), (39596, 513442), (79192, 256721)]