19903560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3529}}^1$

素因数の和:3590

約数の個数: 64

約数和(自身を含む): 60998400

約数和(自身を除く): 41094840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 3529, 5640, 7058, 10587, 14116, 17645, 21174, 28232, 35290, 42348, 52935, 70580, 84696, 105870, 141160, 165863, 211740, 331726, 423480, 497589, 663452, 829315, 995178, 1326904, 1658630, 1990356, 2487945, 3317260, 3980712, 4975890, 6634520, 9951780, 19903560]

約数ペア:

[(1, 19903560), (2, 9951780), (3, 6634520), (4, 4975890), (5, 3980712), (6, 3317260), (8, 2487945), (10, 1990356), (12, 1658630), (15, 1326904), (20, 995178), (24, 829315), (30, 663452), (40, 497589), (47, 423480), (60, 331726), (94, 211740), (120, 165863), (141, 141160), (188, 105870), (235, 84696), (282, 70580), (376, 52935), (470, 42348), (564, 35290), (705, 28232), (940, 21174), (1128, 17645), (1410, 14116), (1880, 10587), (2820, 7058), (3529, 5640)]