20774736

素因数分解:

$2^4\times 3^2\times {\mathrm{89}}^1\times {\mathrm{1621}}^1$

素因数の和:1724

約数の個数: 60

約数和(自身を含む): 58829940

約数和(自身を除く): 38055204

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 89, 144, 178, 267, 356, 534, 712, 801, 1068, 1424, 1602, 1621, 2136, 3204, 3242, 4272, 4863, 6408, 6484, 9726, 12816, 12968, 14589, 19452, 25936, 29178, 38904, 58356, 77808, 116712, 144269, 233424, 288538, 432807, 577076, 865614, 1154152, 1298421, 1731228, 2308304, 2596842, 3462456, 5193684, 6924912, 10387368, 20774736]

約数ペア:

[(1, 20774736), (2, 10387368), (3, 6924912), (4, 5193684), (6, 3462456), (8, 2596842), (9, 2308304), (12, 1731228), (16, 1298421), (18, 1154152), (24, 865614), (36, 577076), (48, 432807), (72, 288538), (89, 233424), (144, 144269), (178, 116712), (267, 77808), (356, 58356), (534, 38904), (712, 29178), (801, 25936), (1068, 19452), (1424, 14589), (1602, 12968), (1621, 12816), (2136, 9726), (3204, 6484), (3242, 6408), (4272, 4863)]