20636470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6389}}^1$

素因数の和:6432

約数の個数: 32

約数和(自身を含む): 41407200

約数和(自身を除く): 20770730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 6389, 12778, 31945, 63890, 108613, 121391, 217226, 242782, 543065, 606955, 1086130, 1213910, 2063647, 4127294, 10318235, 20636470]

約数ペア:

[(1, 20636470), (2, 10318235), (5, 4127294), (10, 2063647), (17, 1213910), (19, 1086130), (34, 606955), (38, 543065), (85, 242782), (95, 217226), (170, 121391), (190, 108613), (323, 63890), (646, 31945), (1615, 12778), (3230, 6389)]