20933800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 53032320

約数和(自身を除く): 32098520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 47, 50, 68, 85, 94, 100, 131, 136, 170, 188, 200, 235, 262, 340, 376, 425, 470, 524, 655, 680, 799, 850, 940, 1048, 1175, 1310, 1598, 1700, 1880, 2227, 2350, 2620, 3196, 3275, 3400, 3995, 4454, 4700, 5240, 6157, 6392, 6550, 7990, 8908, 9400, 11135, 12314, 13100, 15980, 17816, 19975, 22270, 24628, 26200, 30785, 31960, 39950, 44540, 49256, 55675, 61570, 79900, 89080, 104669, 111350, 123140, 153925, 159800, 209338, 222700, 246280, 307850, 418676, 445400, 523345, 615700, 837352, 1046690, 1231400, 2093380, 2616725, 4186760, 5233450, 10466900, 20933800]

約数ペア:

[(1, 20933800), (2, 10466900), (4, 5233450), (5, 4186760), (8, 2616725), (10, 2093380), (17, 1231400), (20, 1046690), (25, 837352), (34, 615700), (40, 523345), (47, 445400), (50, 418676), (68, 307850), (85, 246280), (94, 222700), (100, 209338), (131, 159800), (136, 153925), (170, 123140), (188, 111350), (200, 104669), (235, 89080), (262, 79900), (340, 61570), (376, 55675), (425, 49256), (470, 44540), (524, 39950), (655, 31960), (680, 30785), (799, 26200), (850, 24628), (940, 22270), (1048, 19975), (1175, 17816), (1310, 15980), (1598, 13100), (1700, 12314), (1880, 11135), (2227, 9400), (2350, 8908), (2620, 7990), (3196, 6550), (3275, 6392), (3400, 6157), (3995, 5240), (4454, 4700)]