20409450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{1321}}^1$

素因数の和:1439

約数の個数: 48

約数和(自身を含む): 51145536

約数和(自身を除く): 30736086

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 103, 150, 206, 309, 515, 618, 1030, 1321, 1545, 2575, 2642, 3090, 3963, 5150, 6605, 7725, 7926, 13210, 15450, 19815, 33025, 39630, 66050, 99075, 136063, 198150, 272126, 408189, 680315, 816378, 1360630, 2040945, 3401575, 4081890, 6803150, 10204725, 20409450]

約数ペア:

[(1, 20409450), (2, 10204725), (3, 6803150), (5, 4081890), (6, 3401575), (10, 2040945), (15, 1360630), (25, 816378), (30, 680315), (50, 408189), (75, 272126), (103, 198150), (150, 136063), (206, 99075), (309, 66050), (515, 39630), (618, 33025), (1030, 19815), (1321, 15450), (1545, 13210), (2575, 7926), (2642, 7725), (3090, 6605), (3963, 5150)]