20421410

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{569}}^1$

素因数の和:710

約数の個数: 32

約数和(自身を含む): 38208240

約数和(自身を除く): 17786830

約数列:

[1, 2, 5, 10, 37, 74, 97, 185, 194, 370, 485, 569, 970, 1138, 2845, 3589, 5690, 7178, 17945, 21053, 35890, 42106, 55193, 105265, 110386, 210530, 275965, 551930, 2042141, 4084282, 10210705, 20421410]

約数ペア:

[(1, 20421410), (2, 10210705), (5, 4084282), (10, 2042141), (37, 551930), (74, 275965), (97, 210530), (185, 110386), (194, 105265), (370, 55193), (485, 42106), (569, 35890), (970, 21053), (1138, 17945), (2845, 7178), (3589, 5690)]