20637932

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 44126208

約数和(自身を除く): 23488276

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 191, 227, 238, 382, 454, 476, 764, 908, 1337, 1589, 2674, 3178, 3247, 3859, 5348, 6356, 6494, 7718, 12988, 15436, 22729, 27013, 43357, 45458, 54026, 86714, 90916, 108052, 173428, 303499, 606998, 737069, 1213996, 1474138, 2948276, 5159483, 10318966, 20637932]

約数ペア:

[(1, 20637932), (2, 10318966), (4, 5159483), (7, 2948276), (14, 1474138), (17, 1213996), (28, 737069), (34, 606998), (68, 303499), (119, 173428), (191, 108052), (227, 90916), (238, 86714), (382, 54026), (454, 45458), (476, 43357), (764, 27013), (908, 22729), (1337, 15436), (1589, 12988), (2674, 7718), (3178, 6494), (3247, 6356), (3859, 5348)]