20923416

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{4093}}^1$

素因数の和:4176

約数の個数: 48

約数和(自身を含む): 57479760

約数和(自身を除く): 36556344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 4093, 5112, 8186, 12279, 16372, 24558, 32744, 36837, 49116, 73674, 98232, 147348, 290603, 294696, 581206, 871809, 1162412, 1743618, 2324824, 2615427, 3487236, 5230854, 6974472, 10461708, 20923416]

約数ペア:

[(1, 20923416), (2, 10461708), (3, 6974472), (4, 5230854), (6, 3487236), (8, 2615427), (9, 2324824), (12, 1743618), (18, 1162412), (24, 871809), (36, 581206), (71, 294696), (72, 290603), (142, 147348), (213, 98232), (284, 73674), (426, 49116), (568, 36837), (639, 32744), (852, 24558), (1278, 16372), (1704, 12279), (2556, 8186), (4093, 5112)]