20512991486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{12601}}^1$

素因数の和:12789

約数の個数: 64

約数和(自身を含む): 36584110080

約数和(自身を除く): 16071118594

約数列:

[1, 2, 13, 17, 26, 29, 34, 58, 127, 221, 254, 377, 442, 493, 754, 986, 1651, 2159, 3302, 3683, 4318, 6409, 7366, 12601, 12818, 25202, 28067, 47879, 56134, 62611, 95758, 125222, 163813, 214217, 327626, 365429, 428434, 730858, 813943, 1600327, 1627886, 2784821, 3200654, 4750577, 5569642, 6212293, 9501154, 12424586, 20804251, 27205559, 41608502, 46409483, 54411118, 80759809, 92818966, 161519618, 353672267, 603323279, 707344534, 788961211, 1206646558, 1577922422, 10256495743, 20512991486]

約数ペア:

[(1, 20512991486), (2, 10256495743), (13, 1577922422), (17, 1206646558), (26, 788961211), (29, 707344534), (34, 603323279), (58, 353672267), (127, 161519618), (221, 92818966), (254, 80759809), (377, 54411118), (442, 46409483), (493, 41608502), (754, 27205559), (986, 20804251), (1651, 12424586), (2159, 9501154), (3302, 6212293), (3683, 5569642), (4318, 4750577), (6409, 3200654), (7366, 2784821), (12601, 1627886), (12818, 1600327), (25202, 813943), (28067, 730858), (47879, 428434), (56134, 365429), (62611, 327626), (95758, 214217), (125222, 163813)]