20668270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{587}}^1$

素因数の和:1104

約数の個数: 32

約数和(自身を含む): 42674688

約数和(自身を除く): 22006418

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 503, 587, 1006, 1174, 2515, 2935, 3521, 4109, 5030, 5870, 7042, 8218, 17605, 20545, 35210, 41090, 295261, 590522, 1476305, 2066827, 2952610, 4133654, 10334135, 20668270]

約数ペア:

[(1, 20668270), (2, 10334135), (5, 4133654), (7, 2952610), (10, 2066827), (14, 1476305), (35, 590522), (70, 295261), (503, 41090), (587, 35210), (1006, 20545), (1174, 17605), (2515, 8218), (2935, 7042), (3521, 5870), (4109, 5030)]