20841456

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{25541}}^1$

素因数の和:25569

約数の個数: 40

約数和(自身を含む): 57009744

約数和(自身を除く): 36168288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 25541, 51082, 76623, 102164, 153246, 204328, 306492, 408656, 434197, 612984, 868394, 1225968, 1302591, 1736788, 2605182, 3473576, 5210364, 6947152, 10420728, 20841456]

約数ペア:

[(1, 20841456), (2, 10420728), (3, 6947152), (4, 5210364), (6, 3473576), (8, 2605182), (12, 1736788), (16, 1302591), (17, 1225968), (24, 868394), (34, 612984), (48, 434197), (51, 408656), (68, 306492), (102, 204328), (136, 153246), (204, 102164), (272, 76623), (408, 51082), (816, 25541)]