12550020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29881}}^1$

素因数の和:29900

約数の個数: 48

約数和(自身を含む): 40161408

約数和(自身を除く): 27611388

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, 29881, 59762, 89643, 119524, 149405, 179286, 209167, 298810, 358572, 418334, 448215, 597620, 627501, 836668, 896430, 1045835, 1255002, 1792860, 2091670, 2510004, 3137505, 4183340, 6275010, 12550020]

約数ペア:

[(1, 12550020), (2, 6275010), (3, 4183340), (4, 3137505), (5, 2510004), (6, 2091670), (7, 1792860), (10, 1255002), (12, 1045835), (14, 896430), (15, 836668), (20, 627501), (21, 597620), (28, 448215), (30, 418334), (35, 358572), (42, 298810), (60, 209167), (70, 179286), (84, 149405), (105, 119524), (140, 89643), (210, 59762), (420, 29881)]