20187922430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{391163}}^1$

素因数の和:391580

約数の個数: 32

約数和(自身を含む): 39232184544

約数和(自身を除く): 19044262114

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 397, 794, 1985, 3970, 5161, 10322, 25805, 51610, 391163, 782326, 1955815, 3911630, 5085119, 10170238, 25425595, 50851190, 155291711, 310583422, 776458555, 1552917110, 2018792243, 4037584486, 10093961215, 20187922430]

約数ペア:

[(1, 20187922430), (2, 10093961215), (5, 4037584486), (10, 2018792243), (13, 1552917110), (26, 776458555), (65, 310583422), (130, 155291711), (397, 50851190), (794, 25425595), (1985, 10170238), (3970, 5085119), (5161, 3911630), (10322, 1955815), (25805, 782326), (51610, 391163)]