20348519044

素因数分解:

$2^2\times 7^1\times {\mathrm{36353}}^1\times {\mathrm{19991}}^1$

素因数の和:56355

約数の個数: 24

約数和(自身を含む): 40700193408

約数和(自身を除く): 20351674364

約数列:

[1, 2, 4, 7, 14, 28, 19991, 36353, 39982, 72706, 79964, 139937, 145412, 254471, 279874, 508942, 559748, 1017884, 726732823, 1453465646, 2906931292, 5087129761, 10174259522, 20348519044]

約数ペア:

[(1, 20348519044), (2, 10174259522), (4, 5087129761), (7, 2906931292), (14, 1453465646), (28, 726732823), (19991, 1017884), (36353, 559748), (39982, 508942), (72706, 279874), (79964, 254471), (139937, 145412)]