17665620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{42061}}^1$

素因数の和:42080

約数の個数: 48

約数和(自身を含む): 56531328

約数和(自身を除く): 38865708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 42061, 84122, 126183, 168244, 210305, 252366, 294427, 420610, 504732, 588854, 630915, 841220, 883281, 1177708, 1261830, 1472135, 1766562, 2523660, 2944270, 3533124, 4416405, 5888540, 8832810, 17665620]

約数ペア:

[(1, 17665620), (2, 8832810), (3, 5888540), (4, 4416405), (5, 3533124), (6, 2944270), (7, 2523660), (10, 1766562), (12, 1472135), (14, 1261830), (15, 1177708), (20, 883281), (21, 841220), (28, 630915), (30, 588854), (35, 504732), (42, 420610), (60, 294427), (70, 252366), (84, 210305), (105, 168244), (140, 126183), (210, 84122), (420, 42061)]