20928870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13679}}^1$

素因数の和:13709

約数の個数: 48

約数和(自身を含む): 57620160

約数和(自身を除く): 36691290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 13679, 27358, 41037, 68395, 82074, 123111, 136790, 205185, 232543, 246222, 410370, 465086, 615555, 697629, 1162715, 1231110, 1395258, 2092887, 2325430, 3488145, 4185774, 6976290, 10464435, 20928870]

約数ペア:

[(1, 20928870), (2, 10464435), (3, 6976290), (5, 4185774), (6, 3488145), (9, 2325430), (10, 2092887), (15, 1395258), (17, 1231110), (18, 1162715), (30, 697629), (34, 615555), (45, 465086), (51, 410370), (85, 246222), (90, 232543), (102, 205185), (153, 136790), (170, 123111), (255, 82074), (306, 68395), (510, 41037), (765, 27358), (1530, 13679)]