20173016540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{751}}^1\times {\mathrm{1597}}^1$

素因数の和:2415

約数の個数: 72

約数和(自身を含む): 43960443072

約数和(自身を除く): 23787426532

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 751, 841, 1502, 1597, 1682, 3004, 3194, 3364, 3755, 4205, 6388, 7510, 7985, 8410, 15020, 15970, 16820, 21779, 31940, 43558, 46313, 87116, 92626, 108895, 185252, 217790, 231565, 435580, 463130, 631591, 926260, 1199347, 1263182, 1343077, 2398694, 2526364, 2686154, 3157955, 4797388, 5372308, 5996735, 6315910, 6715385, 11993470, 12631820, 13430770, 23986940, 26861540, 34781063, 69562126, 139124252, 173905315, 347810630, 695621260, 1008650827, 2017301654, 4034603308, 5043254135, 10086508270, 20173016540]

約数ペア:

[(1, 20173016540), (2, 10086508270), (4, 5043254135), (5, 4034603308), (10, 2017301654), (20, 1008650827), (29, 695621260), (58, 347810630), (116, 173905315), (145, 139124252), (290, 69562126), (580, 34781063), (751, 26861540), (841, 23986940), (1502, 13430770), (1597, 12631820), (1682, 11993470), (3004, 6715385), (3194, 6315910), (3364, 5996735), (3755, 5372308), (4205, 4797388), (6388, 3157955), (7510, 2686154), (7985, 2526364), (8410, 2398694), (15020, 1343077), (15970, 1263182), (16820, 1199347), (21779, 926260), (31940, 631591), (43558, 463130), (46313, 435580), (87116, 231565), (92626, 217790), (108895, 185252)]