20368722

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:511

約数の個数: 64

約数和(自身を含む): 48153600

約数和(自身を除く): 27784878

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 37, 38, 57, 66, 74, 111, 114, 209, 222, 407, 418, 439, 627, 703, 814, 878, 1221, 1254, 1317, 1406, 2109, 2442, 2634, 4218, 4829, 7733, 8341, 9658, 14487, 15466, 16243, 16682, 23199, 25023, 28974, 32486, 46398, 48729, 50046, 91751, 97458, 178673, 183502, 275253, 308617, 357346, 536019, 550506, 617234, 925851, 1072038, 1851702, 3394787, 6789574, 10184361, 20368722]

約数ペア:

[(1, 20368722), (2, 10184361), (3, 6789574), (6, 3394787), (11, 1851702), (19, 1072038), (22, 925851), (33, 617234), (37, 550506), (38, 536019), (57, 357346), (66, 308617), (74, 275253), (111, 183502), (114, 178673), (209, 97458), (222, 91751), (407, 50046), (418, 48729), (439, 46398), (627, 32486), (703, 28974), (814, 25023), (878, 23199), (1221, 16682), (1254, 16243), (1317, 15466), (1406, 14487), (2109, 9658), (2442, 8341), (2634, 7733), (4218, 4829)]