20952720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29101}}^1$

素因数の和:29120

約数の個数: 60

約数和(自身を含む): 70368636

約数和(自身を除く): 49415916

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29101, 58202, 87303, 116404, 145505, 174606, 232808, 261909, 291010, 349212, 436515, 465616, 523818, 582020, 698424, 873030, 1047636, 1164040, 1309545, 1396848, 1746060, 2095272, 2328080, 2619090, 3492120, 4190544, 5238180, 6984240, 10476360, 20952720]

約数ペア:

[(1, 20952720), (2, 10476360), (3, 6984240), (4, 5238180), (5, 4190544), (6, 3492120), (8, 2619090), (9, 2328080), (10, 2095272), (12, 1746060), (15, 1396848), (16, 1309545), (18, 1164040), (20, 1047636), (24, 873030), (30, 698424), (36, 582020), (40, 523818), (45, 465616), (48, 436515), (60, 349212), (72, 291010), (80, 261909), (90, 232808), (120, 174606), (144, 145505), (180, 116404), (240, 87303), (360, 58202), (720, 29101)]