20068400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4561}}^1$

素因数の和:4590

約数の個数: 60

約数和(自身を含む): 52608984

約数和(自身を除く): 32540584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 4561, 9122, 18244, 22805, 36488, 45610, 50171, 72976, 91220, 100342, 114025, 182440, 200684, 228050, 250855, 364880, 401368, 456100, 501710, 802736, 912200, 1003420, 1254275, 1824400, 2006840, 2508550, 4013680, 5017100, 10034200, 20068400]

約数ペア:

[(1, 20068400), (2, 10034200), (4, 5017100), (5, 4013680), (8, 2508550), (10, 2006840), (11, 1824400), (16, 1254275), (20, 1003420), (22, 912200), (25, 802736), (40, 501710), (44, 456100), (50, 401368), (55, 364880), (80, 250855), (88, 228050), (100, 200684), (110, 182440), (176, 114025), (200, 100342), (220, 91220), (275, 72976), (400, 50171), (440, 45610), (550, 36488), (880, 22805), (1100, 18244), (2200, 9122), (4400, 4561)]