20673720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57427}}^1$

素因数の和:57444

約数の個数: 48

約数和(自身を含む): 67190760

約数和(自身を除く): 46517040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57427, 114854, 172281, 229708, 287135, 344562, 459416, 516843, 574270, 689124, 861405, 1033686, 1148540, 1378248, 1722810, 2067372, 2297080, 2584215, 3445620, 4134744, 5168430, 6891240, 10336860, 20673720]

約数ペア:

[(1, 20673720), (2, 10336860), (3, 6891240), (4, 5168430), (5, 4134744), (6, 3445620), (8, 2584215), (9, 2297080), (10, 2067372), (12, 1722810), (15, 1378248), (18, 1148540), (20, 1033686), (24, 861405), (30, 689124), (36, 574270), (40, 516843), (45, 459416), (60, 344562), (72, 287135), (90, 229708), (120, 172281), (180, 114854), (360, 57427)]