20565580840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2532707}}^1$

素因数の和:2532754

約数の個数: 64

約数和(自身を含む): 54706492800

約数和(自身を除く): 34140911960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 2532707, 5065414, 10130828, 12663535, 17728949, 20261656, 25327070, 35457898, 50654140, 70915796, 73448503, 88644745, 101308280, 141831592, 146897006, 177289490, 293794012, 354578980, 367242515, 514139521, 587588024, 709157960, 734485030, 1028279042, 1468970060, 2056558084, 2570697605, 2937940120, 4113116168, 5141395210, 10282790420, 20565580840]

約数ペア:

[(1, 20565580840), (2, 10282790420), (4, 5141395210), (5, 4113116168), (7, 2937940120), (8, 2570697605), (10, 2056558084), (14, 1468970060), (20, 1028279042), (28, 734485030), (29, 709157960), (35, 587588024), (40, 514139521), (56, 367242515), (58, 354578980), (70, 293794012), (116, 177289490), (140, 146897006), (145, 141831592), (203, 101308280), (232, 88644745), (280, 73448503), (290, 70915796), (406, 50654140), (580, 35457898), (812, 25327070), (1015, 20261656), (1160, 17728949), (1624, 12663535), (2030, 10130828), (4060, 5065414), (8120, 2532707)]