20630770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4721}}^1$

素因数の和:4770

約数の個数: 32

約数和(自身を含む): 40798080

約数和(自身を除く): 20167310

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 4721, 9442, 23605, 47210, 89699, 108583, 179398, 217166, 448495, 542915, 896990, 1085830, 2063077, 4126154, 10315385, 20630770]

約数ペア:

[(1, 20630770), (2, 10315385), (5, 4126154), (10, 2063077), (19, 1085830), (23, 896990), (38, 542915), (46, 448495), (95, 217166), (115, 179398), (190, 108583), (230, 89699), (437, 47210), (874, 23605), (2185, 9442), (4370, 4721)]