20914398

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1013}}^1$

素因数の和:1089

約数の個数: 48

約数和(自身を含む): 48087936

約数和(自身を除く): 27173538

約数列:

[1, 2, 3, 6, 9, 18, 31, 37, 62, 74, 93, 111, 186, 222, 279, 333, 558, 666, 1013, 1147, 2026, 2294, 3039, 3441, 6078, 6882, 9117, 10323, 18234, 20646, 31403, 37481, 62806, 74962, 94209, 112443, 188418, 224886, 282627, 337329, 565254, 674658, 1161911, 2323822, 3485733, 6971466, 10457199, 20914398]

約数ペア:

[(1, 20914398), (2, 10457199), (3, 6971466), (6, 3485733), (9, 2323822), (18, 1161911), (31, 674658), (37, 565254), (62, 337329), (74, 282627), (93, 224886), (111, 188418), (186, 112443), (222, 94209), (279, 74962), (333, 62806), (558, 37481), (666, 31403), (1013, 20646), (1147, 18234), (2026, 10323), (2294, 9117), (3039, 6882), (3441, 6078)]