20689704

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41051}}^1$

素因数の和:41070

約数の個数: 48

約数和(自身を含む): 64041120

約数和(自身を除く): 43351416

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 41051, 82102, 123153, 164204, 246306, 287357, 328408, 369459, 492612, 574714, 738918, 862071, 985224, 1149428, 1477836, 1724142, 2298856, 2586213, 2955672, 3448284, 5172426, 6896568, 10344852, 20689704]

約数ペア:

[(1, 20689704), (2, 10344852), (3, 6896568), (4, 5172426), (6, 3448284), (7, 2955672), (8, 2586213), (9, 2298856), (12, 1724142), (14, 1477836), (18, 1149428), (21, 985224), (24, 862071), (28, 738918), (36, 574714), (42, 492612), (56, 369459), (63, 328408), (72, 287357), (84, 246306), (126, 164204), (168, 123153), (252, 82102), (504, 41051)]