20153070

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10663}}^1$

素因数の和:10686

約数の個数: 64

約数和(自身を含む): 61424640

約数和(自身を除く): 41271570

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10663, 21326, 31989, 53315, 63978, 74641, 95967, 106630, 149282, 159945, 191934, 223923, 287901, 319890, 373205, 447846, 479835, 575802, 671769, 746410, 959670, 1119615, 1343538, 1439505, 2015307, 2239230, 2879010, 3358845, 4030614, 6717690, 10076535, 20153070]

約数ペア:

[(1, 20153070), (2, 10076535), (3, 6717690), (5, 4030614), (6, 3358845), (7, 2879010), (9, 2239230), (10, 2015307), (14, 1439505), (15, 1343538), (18, 1119615), (21, 959670), (27, 746410), (30, 671769), (35, 575802), (42, 479835), (45, 447846), (54, 373205), (63, 319890), (70, 287901), (90, 223923), (105, 191934), (126, 159945), (135, 149282), (189, 106630), (210, 95967), (270, 74641), (315, 63978), (378, 53315), (630, 31989), (945, 21326), (1890, 10663)]