20418913608

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{203977}}^1$

素因数の和:204126

約数の個数: 64

約数和(自身を含む): 52773188160

約数和(自身を除く): 32354274552

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 97, 129, 172, 194, 258, 291, 344, 388, 516, 582, 776, 1032, 1164, 2328, 4171, 8342, 12513, 16684, 25026, 33368, 50052, 100104, 203977, 407954, 611931, 815908, 1223862, 1631816, 2447724, 4895448, 8771011, 17542022, 19785769, 26313033, 35084044, 39571538, 52626066, 59357307, 70168088, 79143076, 105252132, 118714614, 158286152, 210504264, 237429228, 474858456, 850788067, 1701576134, 2552364201, 3403152268, 5104728402, 6806304536, 10209456804, 20418913608]

約数ペア:

[(1, 20418913608), (2, 10209456804), (3, 6806304536), (4, 5104728402), (6, 3403152268), (8, 2552364201), (12, 1701576134), (24, 850788067), (43, 474858456), (86, 237429228), (97, 210504264), (129, 158286152), (172, 118714614), (194, 105252132), (258, 79143076), (291, 70168088), (344, 59357307), (388, 52626066), (516, 39571538), (582, 35084044), (776, 26313033), (1032, 19785769), (1164, 17542022), (2328, 8771011), (4171, 4895448), (8342, 2447724), (12513, 1631816), (16684, 1223862), (25026, 815908), (33368, 611931), (50052, 407954), (100104, 203977)]