20185100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15527}}^1$

素因数の和:15554

約数の個数: 36

約数和(自身を含む): 47174064

約数和(自身を除く): 26988964

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15527, 31054, 62108, 77635, 155270, 201851, 310540, 388175, 403702, 776350, 807404, 1009255, 1552700, 2018510, 4037020, 5046275, 10092550, 20185100]

約数ペア:

[(1, 20185100), (2, 10092550), (4, 5046275), (5, 4037020), (10, 2018510), (13, 1552700), (20, 1009255), (25, 807404), (26, 776350), (50, 403702), (52, 388175), (65, 310540), (100, 201851), (130, 155270), (260, 77635), (325, 62108), (650, 31054), (1300, 15527)]