20553480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19031}}^1$

素因数の和:19051

約数の個数: 64

約数和(自身を含む): 68515200

約数和(自身を除く): 47961720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19031, 38062, 57093, 76124, 95155, 114186, 152248, 171279, 190310, 228372, 285465, 342558, 380620, 456744, 513837, 570930, 685116, 761240, 856395, 1027674, 1141860, 1370232, 1712790, 2055348, 2283720, 2569185, 3425580, 4110696, 5138370, 6851160, 10276740, 20553480]

約数ペア:

[(1, 20553480), (2, 10276740), (3, 6851160), (4, 5138370), (5, 4110696), (6, 3425580), (8, 2569185), (9, 2283720), (10, 2055348), (12, 1712790), (15, 1370232), (18, 1141860), (20, 1027674), (24, 856395), (27, 761240), (30, 685116), (36, 570930), (40, 513837), (45, 456744), (54, 380620), (60, 342558), (72, 285465), (90, 228372), (108, 190310), (120, 171279), (135, 152248), (180, 114186), (216, 95155), (270, 76124), (360, 57093), (540, 38062), (1080, 19031)]