20518650

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{15199}}^1$

素因数の和:15220

約数の個数: 48

約数和(自身を含む): 56544000

約数和(自身を除く): 36025350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 135, 150, 225, 270, 450, 675, 1350, 15199, 30398, 45597, 75995, 91194, 136791, 151990, 227985, 273582, 379975, 410373, 455970, 683955, 759950, 820746, 1139925, 1367910, 2051865, 2279850, 3419775, 4103730, 6839550, 10259325, 20518650]

約数ペア:

[(1, 20518650), (2, 10259325), (3, 6839550), (5, 4103730), (6, 3419775), (9, 2279850), (10, 2051865), (15, 1367910), (18, 1139925), (25, 820746), (27, 759950), (30, 683955), (45, 455970), (50, 410373), (54, 379975), (75, 273582), (90, 227985), (135, 151990), (150, 136791), (225, 91194), (270, 75995), (450, 45597), (675, 30398), (1350, 15199)]