20024775

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1459}}^1$

素因数の和:1536

約数の個数: 36

約数和(自身を含む): 36479560

約数和(自身を除く): 16454785

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 183, 225, 305, 549, 915, 1459, 1525, 2745, 4377, 4575, 7295, 13131, 13725, 21885, 36475, 65655, 88999, 109425, 266997, 328275, 444995, 800991, 1334985, 2224975, 4004955, 6674925, 20024775]

約数ペア:

[(1, 20024775), (3, 6674925), (5, 4004955), (9, 2224975), (15, 1334985), (25, 800991), (45, 444995), (61, 328275), (75, 266997), (183, 109425), (225, 88999), (305, 65655), (549, 36475), (915, 21885), (1459, 13725), (1525, 13131), (2745, 7295), (4377, 4575)]