9190020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{21881}}^1$

素因数の和:21900

約数の個数: 48

約数和(自身を含む): 29409408

約数和(自身を除く): 20219388

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, 21881, 43762, 65643, 87524, 109405, 131286, 153167, 218810, 262572, 306334, 328215, 437620, 459501, 612668, 656430, 765835, 919002, 1312860, 1531670, 1838004, 2297505, 3063340, 4595010, 9190020]

約数ペア:

[(1, 9190020), (2, 4595010), (3, 3063340), (4, 2297505), (5, 1838004), (6, 1531670), (7, 1312860), (10, 919002), (12, 765835), (14, 656430), (15, 612668), (20, 459501), (21, 437620), (28, 328215), (30, 306334), (35, 262572), (42, 218810), (60, 153167), (70, 131286), (84, 109405), (105, 87524), (140, 65643), (210, 43762), (420, 21881)]