20280905512

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1069}}^1\times {\mathrm{8263}}^1$

素因数の和:9386

約数の個数: 64

約数和(自身を含む): 44566099200

約数和(自身を除く): 24285193688

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1069, 1148, 2138, 2296, 4276, 7483, 8263, 8552, 14966, 16526, 29932, 33052, 43829, 57841, 59864, 66104, 87658, 115682, 175316, 231364, 306803, 338783, 350632, 462728, 613606, 677566, 1227212, 1355132, 2371481, 2454424, 2710264, 4742962, 8833147, 9485924, 17666294, 18971848, 35332588, 61832029, 70665176, 123664058, 247328116, 362159027, 494656232, 724318054, 1448636108, 2535113189, 2897272216, 5070226378, 10140452756, 20280905512]

約数ペア:

[(1, 20280905512), (2, 10140452756), (4, 5070226378), (7, 2897272216), (8, 2535113189), (14, 1448636108), (28, 724318054), (41, 494656232), (56, 362159027), (82, 247328116), (164, 123664058), (287, 70665176), (328, 61832029), (574, 35332588), (1069, 18971848), (1148, 17666294), (2138, 9485924), (2296, 8833147), (4276, 4742962), (7483, 2710264), (8263, 2454424), (8552, 2371481), (14966, 1355132), (16526, 1227212), (29932, 677566), (33052, 613606), (43829, 462728), (57841, 350632), (59864, 338783), (66104, 306803), (87658, 231364), (115682, 175316)]