20434408

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1549}}^1$

素因数の和:1669

約数の個数: 32

約数和(自身を含む): 41013000

約数和(自身を除く): 20578592

約数列:

[1, 2, 4, 8, 17, 34, 68, 97, 136, 194, 388, 776, 1549, 1649, 3098, 3298, 6196, 6596, 12392, 13192, 26333, 52666, 105332, 150253, 210664, 300506, 601012, 1202024, 2554301, 5108602, 10217204, 20434408]

約数ペア:

[(1, 20434408), (2, 10217204), (4, 5108602), (8, 2554301), (17, 1202024), (34, 601012), (68, 300506), (97, 210664), (136, 150253), (194, 105332), (388, 52666), (776, 26333), (1549, 13192), (1649, 12392), (3098, 6596), (3298, 6196)]