20012040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55589}}^1$

素因数の和:55606

約数の個数: 48

約数和(自身を含む): 65040300

約数和(自身を除く): 45028260

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, 55589, 111178, 166767, 222356, 277945, 333534, 444712, 500301, 555890, 667068, 833835, 1000602, 1111780, 1334136, 1667670, 2001204, 2223560, 2501505, 3335340, 4002408, 5003010, 6670680, 10006020, 20012040]

約数ペア:

[(1, 20012040), (2, 10006020), (3, 6670680), (4, 5003010), (5, 4002408), (6, 3335340), (8, 2501505), (9, 2223560), (10, 2001204), (12, 1667670), (15, 1334136), (18, 1111780), (20, 1000602), (24, 833835), (30, 667068), (36, 555890), (40, 500301), (45, 444712), (60, 333534), (72, 277945), (90, 222356), (120, 166767), (180, 111178), (360, 55589)]