20778870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{98947}}^1$

素因数の和:98964

約数の個数: 32

約数和(自身を含む): 56994048

約数和(自身を除く): 36215178

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 98947, 197894, 296841, 494735, 593682, 692629, 989470, 1385258, 1484205, 2077887, 2968410, 3463145, 4155774, 6926290, 10389435, 20778870]

約数ペア:

[(1, 20778870), (2, 10389435), (3, 6926290), (5, 4155774), (6, 3463145), (7, 2968410), (10, 2077887), (14, 1484205), (15, 1385258), (21, 989470), (30, 692629), (35, 593682), (42, 494735), (70, 296841), (105, 197894), (210, 98947)]