20025075

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{5449}}^1$

素因数の和:5476

約数の個数: 36

約数和(自身を含む): 38520600

約数和(自身を除く): 18495525

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 735, 1225, 3675, 5449, 16347, 27245, 38143, 81735, 114429, 136225, 190715, 267001, 408675, 572145, 801003, 953575, 1335005, 2860725, 4005015, 6675025, 20025075]

約数ペア:

[(1, 20025075), (3, 6675025), (5, 4005015), (7, 2860725), (15, 1335005), (21, 953575), (25, 801003), (35, 572145), (49, 408675), (75, 267001), (105, 190715), (147, 136225), (175, 114429), (245, 81735), (525, 38143), (735, 27245), (1225, 16347), (3675, 5449)]