16970020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 37287936

約数和(自身を除く): 20317916

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 202, 271, 310, 404, 505, 542, 620, 1010, 1084, 1355, 2020, 2710, 3131, 5420, 6262, 8401, 12524, 15655, 16802, 27371, 31310, 33604, 42005, 54742, 62620, 84010, 109484, 136855, 168020, 273710, 547420, 848501, 1697002, 3394004, 4242505, 8485010, 16970020]

約数ペア:

[(1, 16970020), (2, 8485010), (4, 4242505), (5, 3394004), (10, 1697002), (20, 848501), (31, 547420), (62, 273710), (101, 168020), (124, 136855), (155, 109484), (202, 84010), (271, 62620), (310, 54742), (404, 42005), (505, 33604), (542, 31310), (620, 27371), (1010, 16802), (1084, 15655), (1355, 12524), (2020, 8401), (2710, 6262), (3131, 5420)]