20121529904

素因数分解:

$2^4\times 7^1\times {\mathrm{39511}}^1\times {\mathrm{4547}}^1$

素因数の和:44073

約数の個数: 40

約数和(自身を含む): 44565742848

約数和(自身を除く): 24444212944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 4547, 9094, 18188, 31829, 36376, 39511, 63658, 72752, 79022, 127316, 158044, 254632, 276577, 316088, 509264, 553154, 632176, 1106308, 2212616, 4425232, 179656517, 359313034, 718626068, 1257595619, 1437252136, 2515191238, 2874504272, 5030382476, 10060764952, 20121529904]

約数ペア:

[(1, 20121529904), (2, 10060764952), (4, 5030382476), (7, 2874504272), (8, 2515191238), (14, 1437252136), (16, 1257595619), (28, 718626068), (56, 359313034), (112, 179656517), (4547, 4425232), (9094, 2212616), (18188, 1106308), (31829, 632176), (36376, 553154), (39511, 509264), (63658, 316088), (72752, 276577), (79022, 254632), (127316, 158044)]