20111070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13681}}^1$

素因数の和:13705

約数の個数: 48

約数和(自身を含む): 56150928

約数和(自身を除く): 36039858

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 13681, 27362, 41043, 68405, 82086, 95767, 136810, 191534, 205215, 287301, 410430, 478835, 574602, 670369, 957670, 1340738, 1436505, 2011107, 2873010, 3351845, 4022214, 6703690, 10055535, 20111070]

約数ペア:

[(1, 20111070), (2, 10055535), (3, 6703690), (5, 4022214), (6, 3351845), (7, 2873010), (10, 2011107), (14, 1436505), (15, 1340738), (21, 957670), (30, 670369), (35, 574602), (42, 478835), (49, 410430), (70, 287301), (98, 205215), (105, 191534), (147, 136810), (210, 95767), (245, 82086), (294, 68405), (490, 41043), (735, 27362), (1470, 13681)]