20174324220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{338609}}^1$

素因数の和:338955

約数の個数: 72

約数和(自身を含む): 61380511920

約数和(自身を除く): 41206187700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 662, 993, 1324, 1655, 1986, 2979, 3310, 3972, 4965, 5958, 6620, 9930, 11916, 14895, 19860, 29790, 59580, 338609, 677218, 1015827, 1354436, 1693045, 2031654, 3047481, 3386090, 4063308, 5079135, 6094962, 6772180, 10158270, 12189924, 15237405, 20316540, 30474810, 60949620, 112079579, 224159158, 336238737, 448318316, 560397895, 672477474, 1008716211, 1120795790, 1344954948, 1681193685, 2017432422, 2241591580, 3362387370, 4034864844, 5043581055, 6724774740, 10087162110, 20174324220]

約数ペア:

[(1, 20174324220), (2, 10087162110), (3, 6724774740), (4, 5043581055), (5, 4034864844), (6, 3362387370), (9, 2241591580), (10, 2017432422), (12, 1681193685), (15, 1344954948), (18, 1120795790), (20, 1008716211), (30, 672477474), (36, 560397895), (45, 448318316), (60, 336238737), (90, 224159158), (180, 112079579), (331, 60949620), (662, 30474810), (993, 20316540), (1324, 15237405), (1655, 12189924), (1986, 10158270), (2979, 6772180), (3310, 6094962), (3972, 5079135), (4965, 4063308), (5958, 3386090), (6620, 3047481), (9930, 2031654), (11916, 1693045), (14895, 1354436), (19860, 1015827), (29790, 677218), (59580, 338609)]