20217202330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{619}}^1\times {\mathrm{907}}^1$

素因数の和:1823

約数の個数: 64

約数和(自身を含む): 39438725760

約数和(自身を除く): 19221523430

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 277, 554, 619, 907, 1238, 1385, 1814, 2770, 3095, 3601, 4535, 6190, 7202, 8047, 9070, 11791, 16094, 18005, 23582, 36010, 40235, 58955, 80470, 117910, 171463, 251239, 342926, 502478, 561433, 857315, 1122866, 1256195, 1714630, 2229019, 2512390, 2807165, 3266107, 4458038, 5614330, 6532214, 7298629, 11145095, 14597258, 16330535, 22290190, 32661070, 36493145, 72986290, 155516941, 311033882, 777584705, 1555169410, 2021720233, 4043440466, 10108601165, 20217202330]

約数ペア:

[(1, 20217202330), (2, 10108601165), (5, 4043440466), (10, 2021720233), (13, 1555169410), (26, 777584705), (65, 311033882), (130, 155516941), (277, 72986290), (554, 36493145), (619, 32661070), (907, 22290190), (1238, 16330535), (1385, 14597258), (1814, 11145095), (2770, 7298629), (3095, 6532214), (3601, 5614330), (4535, 4458038), (6190, 3266107), (7202, 2807165), (8047, 2512390), (9070, 2229019), (11791, 1714630), (16094, 1256195), (18005, 1122866), (23582, 857315), (36010, 561433), (40235, 502478), (58955, 342926), (80470, 251239), (117910, 171463)]