20176968175

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{216317}}^1$

素因数の和:216388

約数の個数: 48

約数和(自身を含む): 31544356032

約数和(自身を除く): 11367387857

約数列:

[1, 5, 7, 13, 25, 35, 41, 65, 91, 175, 205, 287, 325, 455, 533, 1025, 1435, 2275, 2665, 3731, 7175, 13325, 18655, 93275, 216317, 1081585, 1514219, 2812121, 5407925, 7571095, 8868997, 14060605, 19684847, 37855475, 44344985, 62082979, 70303025, 98424235, 115296961, 221724925, 310414895, 492121175, 576484805, 807078727, 1552074475, 2882424025, 4035393635, 20176968175]

約数ペア:

[(1, 20176968175), (5, 4035393635), (7, 2882424025), (13, 1552074475), (25, 807078727), (35, 576484805), (41, 492121175), (65, 310414895), (91, 221724925), (175, 115296961), (205, 98424235), (287, 70303025), (325, 62082979), (455, 44344985), (533, 37855475), (1025, 19684847), (1435, 14060605), (2275, 8868997), (2665, 7571095), (3731, 5407925), (7175, 2812121), (13325, 1514219), (18655, 1081585), (93275, 216317)]