20996490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3517}}^1$

素因数の和:3726

約数の個数: 32

約数和(自身を含む): 50659200

約数和(自身を除く): 29662710

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 199, 398, 597, 995, 1194, 1990, 2985, 3517, 5970, 7034, 10551, 17585, 21102, 35170, 52755, 105510, 699883, 1399766, 2099649, 3499415, 4199298, 6998830, 10498245, 20996490]

約数ペア:

[(1, 20996490), (2, 10498245), (3, 6998830), (5, 4199298), (6, 3499415), (10, 2099649), (15, 1399766), (30, 699883), (199, 105510), (398, 52755), (597, 35170), (995, 21102), (1194, 17585), (1990, 10551), (2985, 7034), (3517, 5970)]