20903652

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7541}}^1$

素因数の和:7569

約数の個数: 72

約数和(自身を含む): 65886912

約数和(自身を除く): 44983260

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 7541, 15082, 22623, 30164, 45246, 52787, 67869, 82951, 90492, 105574, 135738, 158361, 165902, 211148, 248853, 271476, 316722, 331804, 475083, 497706, 580657, 633444, 746559, 950166, 995412, 1161314, 1493118, 1741971, 1900332, 2322628, 2986236, 3483942, 5225913, 6967884, 10451826, 20903652]

約数ペア:

[(1, 20903652), (2, 10451826), (3, 6967884), (4, 5225913), (6, 3483942), (7, 2986236), (9, 2322628), (11, 1900332), (12, 1741971), (14, 1493118), (18, 1161314), (21, 995412), (22, 950166), (28, 746559), (33, 633444), (36, 580657), (42, 497706), (44, 475083), (63, 331804), (66, 316722), (77, 271476), (84, 248853), (99, 211148), (126, 165902), (132, 158361), (154, 135738), (198, 105574), (231, 90492), (252, 82951), (308, 67869), (396, 52787), (462, 45246), (693, 30164), (924, 22623), (1386, 15082), (2772, 7541)]