20532850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1019}}^1$

素因数の和:1075

約数の個数: 48

約数和(自身を含む): 42497280

約数和(自身を除く): 21964430

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1019, 1550, 2015, 2038, 4030, 5095, 10075, 10190, 13247, 20150, 25475, 26494, 31589, 50950, 63178, 66235, 132470, 157945, 315890, 331175, 410657, 662350, 789725, 821314, 1579450, 2053285, 4106570, 10266425, 20532850]

約数ペア:

[(1, 20532850), (2, 10266425), (5, 4106570), (10, 2053285), (13, 1579450), (25, 821314), (26, 789725), (31, 662350), (50, 410657), (62, 331175), (65, 315890), (130, 157945), (155, 132470), (310, 66235), (325, 63178), (403, 50950), (650, 31589), (775, 26494), (806, 25475), (1019, 20150), (1550, 13247), (2015, 10190), (2038, 10075), (4030, 5095)]