20980300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19073}}^1$

素因数の和:19098

約数の個数: 36

約数和(自身を含む): 49668696

約数和(自身を除く): 28688396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 19073, 38146, 76292, 95365, 190730, 209803, 381460, 419606, 476825, 839212, 953650, 1049015, 1907300, 2098030, 4196060, 5245075, 10490150, 20980300]

約数ペア:

[(1, 20980300), (2, 10490150), (4, 5245075), (5, 4196060), (10, 2098030), (11, 1907300), (20, 1049015), (22, 953650), (25, 839212), (44, 476825), (50, 419606), (55, 381460), (100, 209803), (110, 190730), (220, 95365), (275, 76292), (550, 38146), (1100, 19073)]