20509575548

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{5557}}^1$

素因数の和:6123

約数の個数: 96

約数和(自身を含む): 46791779328

約数和(自身を除く): 26282203780

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 521, 644, 1012, 1042, 1771, 2084, 3542, 3647, 5557, 5731, 7084, 7294, 11114, 11462, 11983, 14588, 22228, 22924, 23966, 38899, 40117, 47932, 61127, 77798, 80234, 83881, 122254, 127811, 131813, 155596, 160468, 167762, 244508, 255622, 263626, 335524, 427889, 511244, 527252, 855778, 894677, 922691, 1405921, 1711556, 1789354, 1845382, 2811842, 2895197, 3578708, 3690764, 5623684, 5790394, 9841447, 11580788, 19682894, 20266379, 31847167, 39365788, 40532758, 63694334, 66589531, 81065516, 127388668, 133179062, 222930169, 266358124, 445860338, 466126717, 732484841, 891720676, 932253434, 1464969682, 1864506868, 2929939364, 5127393887, 10254787774, 20509575548]

約数ペア:

[(1, 20509575548), (2, 10254787774), (4, 5127393887), (7, 2929939364), (11, 1864506868), (14, 1464969682), (22, 932253434), (23, 891720676), (28, 732484841), (44, 466126717), (46, 445860338), (77, 266358124), (92, 222930169), (154, 133179062), (161, 127388668), (253, 81065516), (308, 66589531), (322, 63694334), (506, 40532758), (521, 39365788), (644, 31847167), (1012, 20266379), (1042, 19682894), (1771, 11580788), (2084, 9841447), (3542, 5790394), (3647, 5623684), (5557, 3690764), (5731, 3578708), (7084, 2895197), (7294, 2811842), (11114, 1845382), (11462, 1789354), (11983, 1711556), (14588, 1405921), (22228, 922691), (22924, 894677), (23966, 855778), (38899, 527252), (40117, 511244), (47932, 427889), (61127, 335524), (77798, 263626), (80234, 255622), (83881, 244508), (122254, 167762), (127811, 160468), (131813, 155596)]