20814984

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{6151}}^1$

素因数の和:6210

約数の個数: 48

約数和(自身を含む): 57582720

約数和(自身を除く): 36767736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 94, 141, 188, 282, 376, 423, 564, 846, 1128, 1692, 3384, 6151, 12302, 18453, 24604, 36906, 49208, 55359, 73812, 110718, 147624, 221436, 289097, 442872, 578194, 867291, 1156388, 1734582, 2312776, 2601873, 3469164, 5203746, 6938328, 10407492, 20814984]

約数ペア:

[(1, 20814984), (2, 10407492), (3, 6938328), (4, 5203746), (6, 3469164), (8, 2601873), (9, 2312776), (12, 1734582), (18, 1156388), (24, 867291), (36, 578194), (47, 442872), (72, 289097), (94, 221436), (141, 147624), (188, 110718), (282, 73812), (376, 55359), (423, 49208), (564, 36906), (846, 24604), (1128, 18453), (1692, 12302), (3384, 6151)]