20124877870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{523}}^1\times {\mathrm{571}}^1$

素因数の和:1417

約数の個数: 64

約数和(自身を含む): 38067853824

約数和(自身を除く): 17942975954

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 293, 523, 571, 586, 1046, 1142, 1465, 2615, 2855, 2930, 5230, 5710, 6739, 12029, 13133, 13478, 24058, 26266, 33695, 60145, 65665, 67390, 120290, 131330, 153239, 167303, 298633, 306478, 334606, 597266, 766195, 836515, 1493165, 1532390, 1673030, 2986330, 3524497, 3847969, 6868559, 7048994, 7695938, 13737118, 17622485, 19239845, 34342795, 35244970, 38479690, 68685590, 87499469, 174998938, 437497345, 874994690, 2012487787, 4024975574, 10062438935, 20124877870]

約数ペア:

[(1, 20124877870), (2, 10062438935), (5, 4024975574), (10, 2012487787), (23, 874994690), (46, 437497345), (115, 174998938), (230, 87499469), (293, 68685590), (523, 38479690), (571, 35244970), (586, 34342795), (1046, 19239845), (1142, 17622485), (1465, 13737118), (2615, 7695938), (2855, 7048994), (2930, 6868559), (5230, 3847969), (5710, 3524497), (6739, 2986330), (12029, 1673030), (13133, 1532390), (13478, 1493165), (24058, 836515), (26266, 766195), (33695, 597266), (60145, 334606), (65665, 306478), (67390, 298633), (120290, 167303), (131330, 153239)]