20210886

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 45264960

約数和(自身を除く): 25054074

約数列:

[1, 2, 3, 6, 9, 18, 61, 79, 122, 158, 183, 233, 237, 366, 466, 474, 549, 699, 711, 1098, 1398, 1422, 2097, 4194, 4819, 9638, 14213, 14457, 18407, 28426, 28914, 36814, 42639, 43371, 55221, 85278, 86742, 110442, 127917, 165663, 255834, 331326, 1122827, 2245654, 3368481, 6736962, 10105443, 20210886]

約数ペア:

[(1, 20210886), (2, 10105443), (3, 6736962), (6, 3368481), (9, 2245654), (18, 1122827), (61, 331326), (79, 255834), (122, 165663), (158, 127917), (183, 110442), (233, 86742), (237, 85278), (366, 55221), (466, 43371), (474, 42639), (549, 36814), (699, 28914), (711, 28426), (1098, 18407), (1398, 14457), (1422, 14213), (2097, 9638), (4194, 4819)]