20046375

素因数分解:

$3^2\times 5^3\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:297

約数の個数: 48

約数和(自身を含む): 36698688

約数和(自身を除く): 16652313

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 103, 125, 173, 225, 309, 375, 515, 519, 865, 927, 1125, 1545, 1557, 2575, 2595, 4325, 4635, 7725, 7785, 12875, 12975, 17819, 21625, 23175, 38625, 38925, 53457, 64875, 89095, 115875, 160371, 194625, 267285, 445475, 801855, 1336425, 2227375, 4009275, 6682125, 20046375]

約数ペア:

[(1, 20046375), (3, 6682125), (5, 4009275), (9, 2227375), (15, 1336425), (25, 801855), (45, 445475), (75, 267285), (103, 194625), (125, 160371), (173, 115875), (225, 89095), (309, 64875), (375, 53457), (515, 38925), (519, 38625), (865, 23175), (927, 21625), (1125, 17819), (1545, 12975), (1557, 12875), (2575, 7785), (2595, 7725), (4325, 4635)]