20414559568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1151}}^1\times {\mathrm{1201}}^1$

素因数の和:2444

約数の個数: 80

約数和(自身を含む): 43269230592

約数和(自身を除く): 22854671024

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1151, 1201, 1846, 2302, 2402, 3692, 4604, 4804, 7384, 9208, 9608, 14768, 14963, 15613, 18416, 19216, 29926, 31226, 59852, 62452, 81721, 85271, 119704, 124904, 163442, 170542, 239408, 249808, 326884, 341084, 653768, 682168, 1062373, 1108523, 1307536, 1364336, 1382351, 2124746, 2217046, 2764702, 4249492, 4434092, 5529404, 8498984, 8868184, 11058808, 16997968, 17736368, 17970563, 22117616, 35941126, 71882252, 98146921, 143764504, 196293842, 287529008, 392587684, 785175368, 1275909973, 1570350736, 2551819946, 5103639892, 10207279784, 20414559568]

約数ペア:

[(1, 20414559568), (2, 10207279784), (4, 5103639892), (8, 2551819946), (13, 1570350736), (16, 1275909973), (26, 785175368), (52, 392587684), (71, 287529008), (104, 196293842), (142, 143764504), (208, 98146921), (284, 71882252), (568, 35941126), (923, 22117616), (1136, 17970563), (1151, 17736368), (1201, 16997968), (1846, 11058808), (2302, 8868184), (2402, 8498984), (3692, 5529404), (4604, 4434092), (4804, 4249492), (7384, 2764702), (9208, 2217046), (9608, 2124746), (14768, 1382351), (14963, 1364336), (15613, 1307536), (18416, 1108523), (19216, 1062373), (29926, 682168), (31226, 653768), (59852, 341084), (62452, 326884), (81721, 249808), (85271, 239408), (119704, 170542), (124904, 163442)]