20669400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11483}}^1$

素因数の和:11505

約数の個数: 72

約数和(自身を含む): 69420780

約数和(自身を除く): 48751380

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 11483, 22966, 34449, 45932, 57415, 68898, 91864, 103347, 114830, 137796, 172245, 206694, 229660, 275592, 287075, 344490, 413388, 459320, 516735, 574150, 688980, 826776, 861225, 1033470, 1148300, 1377960, 1722450, 2066940, 2296600, 2583675, 3444900, 4133880, 5167350, 6889800, 10334700, 20669400]

約数ペア:

[(1, 20669400), (2, 10334700), (3, 6889800), (4, 5167350), (5, 4133880), (6, 3444900), (8, 2583675), (9, 2296600), (10, 2066940), (12, 1722450), (15, 1377960), (18, 1148300), (20, 1033470), (24, 861225), (25, 826776), (30, 688980), (36, 574150), (40, 516735), (45, 459320), (50, 413388), (60, 344490), (72, 287075), (75, 275592), (90, 229660), (100, 206694), (120, 172245), (150, 137796), (180, 114830), (200, 103347), (225, 91864), (300, 68898), (360, 57415), (450, 45932), (600, 34449), (900, 22966), (1800, 11483)]