20336499160

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6435601}}^1$

素因数の和:6435691

約数の個数: 32

約数和(自身を含む): 46336334400

約数和(自身を除く): 25999835240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 6435601, 12871202, 25742404, 32178005, 51484808, 64356010, 128712020, 257424040, 508412479, 1016824958, 2033649916, 2542062395, 4067299832, 5084124790, 10168249580, 20336499160]

約数ペア:

[(1, 20336499160), (2, 10168249580), (4, 5084124790), (5, 4067299832), (8, 2542062395), (10, 2033649916), (20, 1016824958), (40, 508412479), (79, 257424040), (158, 128712020), (316, 64356010), (395, 51484808), (632, 32178005), (790, 25742404), (1580, 12871202), (3160, 6435601)]