20040088

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 39124800

約数和(自身を除く): 19084712

約数列:

[1, 2, 4, 8, 37, 74, 79, 148, 158, 296, 316, 632, 857, 1714, 2923, 3428, 5846, 6856, 11692, 23384, 31709, 63418, 67703, 126836, 135406, 253672, 270812, 541624, 2505011, 5010022, 10020044, 20040088]

約数ペア:

[(1, 20040088), (2, 10020044), (4, 5010022), (8, 2505011), (37, 541624), (74, 270812), (79, 253672), (148, 135406), (158, 126836), (296, 67703), (316, 63418), (632, 31709), (857, 23384), (1714, 11692), (2923, 6856), (3428, 5846)]