20423730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21961}}^1$

素因数の和:22002

約数の個数: 32

約数和(自身を含む): 50600448

約数和(自身を除く): 30176718

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 21961, 43922, 65883, 109805, 131766, 219610, 329415, 658830, 680791, 1361582, 2042373, 3403955, 4084746, 6807910, 10211865, 20423730]

約数ペア:

[(1, 20423730), (2, 10211865), (3, 6807910), (5, 4084746), (6, 3403955), (10, 2042373), (15, 1361582), (30, 680791), (31, 658830), (62, 329415), (93, 219610), (155, 131766), (186, 109805), (310, 65883), (465, 43922), (930, 21961)]