20148375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4133}}^1$

素因数の和:4164

約数の個数: 32

約数和(自身を含む): 36114624

約数和(自身を除く): 15966249

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4133, 4875, 12399, 20665, 53729, 61995, 103325, 161187, 268645, 309975, 516625, 805935, 1343225, 1549875, 4029675, 6716125, 20148375]

約数ペア:

[(1, 20148375), (3, 6716125), (5, 4029675), (13, 1549875), (15, 1343225), (25, 805935), (39, 516625), (65, 309975), (75, 268645), (125, 161187), (195, 103325), (325, 61995), (375, 53729), (975, 20665), (1625, 12399), (4133, 4875)]