20051490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12611}}^1$

素因数の和:12674

約数の個数: 32

約数和(自身を含む): 49035456

約数和(自身を除く): 28983966

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 12611, 25222, 37833, 63055, 75666, 126110, 189165, 378330, 668383, 1336766, 2005149, 3341915, 4010298, 6683830, 10025745, 20051490]

約数ペア:

[(1, 20051490), (2, 10025745), (3, 6683830), (5, 4010298), (6, 3341915), (10, 2005149), (15, 1336766), (30, 668383), (53, 378330), (106, 189165), (159, 126110), (265, 75666), (318, 63055), (530, 37833), (795, 25222), (1590, 12611)]