20101704920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1789}}^1\times {\mathrm{25537}}^1$

素因数の和:27348

約数の個数: 64

約数和(自身を含む): 49370061600

約数和(自身を除く): 29268356680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1789, 3578, 7156, 8945, 14312, 17890, 19679, 25537, 35780, 39358, 51074, 71560, 78716, 98395, 102148, 127685, 157432, 196790, 204296, 255370, 280907, 393580, 510740, 561814, 787160, 1021480, 1123628, 1404535, 2247256, 2809070, 5618140, 11236280, 45685693, 91371386, 182742772, 228428465, 365485544, 456856930, 502542623, 913713860, 1005085246, 1827427720, 2010170492, 2512713115, 4020340984, 5025426230, 10050852460, 20101704920]

約数ペア:

[(1, 20101704920), (2, 10050852460), (4, 5025426230), (5, 4020340984), (8, 2512713115), (10, 2010170492), (11, 1827427720), (20, 1005085246), (22, 913713860), (40, 502542623), (44, 456856930), (55, 365485544), (88, 228428465), (110, 182742772), (220, 91371386), (440, 45685693), (1789, 11236280), (3578, 5618140), (7156, 2809070), (8945, 2247256), (14312, 1404535), (17890, 1123628), (19679, 1021480), (25537, 787160), (35780, 561814), (39358, 510740), (51074, 393580), (71560, 280907), (78716, 255370), (98395, 204296), (102148, 196790), (127685, 157432)]