20503490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3529}}^1$

素因数の和:3626

約数の個数: 32

約数和(自身を含む): 42698880

約数和(自身を除く): 22195390

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 83, 166, 415, 581, 830, 1162, 2905, 3529, 5810, 7058, 17645, 24703, 35290, 49406, 123515, 247030, 292907, 585814, 1464535, 2050349, 2929070, 4100698, 10251745, 20503490]

約数ペア:

[(1, 20503490), (2, 10251745), (5, 4100698), (7, 2929070), (10, 2050349), (14, 1464535), (35, 585814), (70, 292907), (83, 247030), (166, 123515), (415, 49406), (581, 35290), (830, 24703), (1162, 17645), (2905, 7058), (3529, 5810)]