20175431900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15519563}}^1$

素因数の和:15519590

約数の個数: 36

約数和(自身を含む): 47148435432

約数和(自身を除く): 26973003532

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15519563, 31039126, 62078252, 77597815, 155195630, 201754319, 310391260, 387989075, 403508638, 775978150, 807017276, 1008771595, 1551956300, 2017543190, 4035086380, 5043857975, 10087715950, 20175431900]

約数ペア:

[(1, 20175431900), (2, 10087715950), (4, 5043857975), (5, 4035086380), (10, 2017543190), (13, 1551956300), (20, 1008771595), (25, 807017276), (26, 775978150), (50, 403508638), (52, 387989075), (65, 310391260), (100, 201754319), (130, 155195630), (260, 77597815), (325, 62078252), (650, 31039126), (1300, 15519563)]