20158860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1249}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 56700000

約数和(自身を除く): 36541140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 269, 538, 807, 1076, 1249, 1345, 1614, 2498, 2690, 3228, 3747, 4035, 4996, 5380, 6245, 7494, 8070, 12490, 14988, 16140, 18735, 24980, 37470, 74940, 335981, 671962, 1007943, 1343924, 1679905, 2015886, 3359810, 4031772, 5039715, 6719620, 10079430, 20158860]

約数ペア:

[(1, 20158860), (2, 10079430), (3, 6719620), (4, 5039715), (5, 4031772), (6, 3359810), (10, 2015886), (12, 1679905), (15, 1343924), (20, 1007943), (30, 671962), (60, 335981), (269, 74940), (538, 37470), (807, 24980), (1076, 18735), (1249, 16140), (1345, 14988), (1614, 12490), (2498, 8070), (2690, 7494), (3228, 6245), (3747, 5380), (4035, 4996)]