20123678204

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1847}}^1\times {\mathrm{6379}}^1$

素因数の和:8298

約数の個数: 48

約数和(自身を含む): 40935713280

約数和(自身を除く): 20812035076

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 1847, 3694, 6379, 7388, 12758, 12929, 25516, 25858, 44653, 51716, 89306, 112667, 178612, 225334, 389119, 450668, 778238, 788669, 1556476, 1577338, 2723833, 3154676, 5447666, 10895332, 11782013, 23564026, 47128052, 82474091, 164948182, 329896364, 718702793, 1437405586, 2874811172, 5030919551, 10061839102, 20123678204]

約数ペア:

[(1, 20123678204), (2, 10061839102), (4, 5030919551), (7, 2874811172), (14, 1437405586), (28, 718702793), (61, 329896364), (122, 164948182), (244, 82474091), (427, 47128052), (854, 23564026), (1708, 11782013), (1847, 10895332), (3694, 5447666), (6379, 3154676), (7388, 2723833), (12758, 1577338), (12929, 1556476), (25516, 788669), (25858, 778238), (44653, 450668), (51716, 389119), (89306, 225334), (112667, 178612)]