20357580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7219}}^1$

素因数の和:7278

約数の個数: 48

約数和(自身を含む): 58222080

約数和(自身を除く): 37864500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 7219, 14438, 21657, 28876, 36095, 43314, 72190, 86628, 108285, 144380, 216570, 339293, 433140, 678586, 1017879, 1357172, 1696465, 2035758, 3392930, 4071516, 5089395, 6785860, 10178790, 20357580]

約数ペア:

[(1, 20357580), (2, 10178790), (3, 6785860), (4, 5089395), (5, 4071516), (6, 3392930), (10, 2035758), (12, 1696465), (15, 1357172), (20, 1017879), (30, 678586), (47, 433140), (60, 339293), (94, 216570), (141, 144380), (188, 108285), (235, 86628), (282, 72190), (470, 43314), (564, 36095), (705, 28876), (940, 21657), (1410, 14438), (2820, 7219)]