20512305738

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{4027}}^1\times {\mathrm{6581}}^1$

素因数の和:10659

約数の個数: 48

約数和(自身を含む): 45495099936

約数和(自身を除く): 24982794198

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 4027, 6581, 8054, 12081, 13162, 19743, 24162, 36243, 39486, 59229, 72486, 118458, 173161, 282983, 346322, 519483, 565966, 848949, 1038966, 1558449, 1697898, 2546847, 3116898, 5093694, 26501687, 53003374, 79505061, 159010122, 238515183, 477030366, 1139572541, 2279145082, 3418717623, 6837435246, 10256152869, 20512305738]

約数ペア:

[(1, 20512305738), (2, 10256152869), (3, 6837435246), (6, 3418717623), (9, 2279145082), (18, 1139572541), (43, 477030366), (86, 238515183), (129, 159010122), (258, 79505061), (387, 53003374), (774, 26501687), (4027, 5093694), (6581, 3116898), (8054, 2546847), (12081, 1697898), (13162, 1558449), (19743, 1038966), (24162, 848949), (36243, 565966), (39486, 519483), (59229, 346322), (72486, 282983), (118458, 173161)]