20201696080

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{313}}^1\times {\mathrm{4831}}^1$

素因数の和:5324

約数の個数: 80

約数和(自身を含む): 47410965504

約数和(自身を除く): 27209269424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 313, 334, 626, 668, 835, 1252, 1336, 1565, 1670, 2504, 2672, 3130, 3340, 4831, 5008, 6260, 6680, 9662, 12520, 13360, 19324, 24155, 25040, 38648, 48310, 52271, 77296, 96620, 104542, 193240, 209084, 261355, 386480, 418168, 522710, 806777, 836336, 1045420, 1512103, 1613554, 2090840, 3024206, 3227108, 4033885, 4181680, 6048412, 6454216, 7560515, 8067770, 12096824, 12908432, 15121030, 16135540, 24193648, 30242060, 32271080, 60484120, 64542160, 120968240, 252521201, 505042402, 1010084804, 1262606005, 2020169608, 2525212010, 4040339216, 5050424020, 10100848040, 20201696080]

約数ペア:

[(1, 20201696080), (2, 10100848040), (4, 5050424020), (5, 4040339216), (8, 2525212010), (10, 2020169608), (16, 1262606005), (20, 1010084804), (40, 505042402), (80, 252521201), (167, 120968240), (313, 64542160), (334, 60484120), (626, 32271080), (668, 30242060), (835, 24193648), (1252, 16135540), (1336, 15121030), (1565, 12908432), (1670, 12096824), (2504, 8067770), (2672, 7560515), (3130, 6454216), (3340, 6048412), (4831, 4181680), (5008, 4033885), (6260, 3227108), (6680, 3024206), (9662, 2090840), (12520, 1613554), (13360, 1512103), (19324, 1045420), (24155, 836336), (25040, 806777), (38648, 522710), (48310, 418168), (52271, 386480), (77296, 261355), (96620, 209084), (104542, 193240)]