20885904

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{3719}}^1$

素因数の和:3749

約数の個数: 80

約数和(自身を含む): 64579200

約数和(自身を除く): 43693296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 117, 144, 156, 208, 216, 234, 312, 351, 432, 468, 624, 702, 936, 1404, 1872, 2808, 3719, 5616, 7438, 11157, 14876, 22314, 29752, 33471, 44628, 48347, 59504, 66942, 89256, 96694, 100413, 133884, 145041, 178512, 193388, 200826, 267768, 290082, 386776, 401652, 435123, 535536, 580164, 773552, 803304, 870246, 1160328, 1305369, 1606608, 1740492, 2320656, 2610738, 3480984, 5221476, 6961968, 10442952, 20885904]

約数ペア:

[(1, 20885904), (2, 10442952), (3, 6961968), (4, 5221476), (6, 3480984), (8, 2610738), (9, 2320656), (12, 1740492), (13, 1606608), (16, 1305369), (18, 1160328), (24, 870246), (26, 803304), (27, 773552), (36, 580164), (39, 535536), (48, 435123), (52, 401652), (54, 386776), (72, 290082), (78, 267768), (104, 200826), (108, 193388), (117, 178512), (144, 145041), (156, 133884), (208, 100413), (216, 96694), (234, 89256), (312, 66942), (351, 59504), (432, 48347), (468, 44628), (624, 33471), (702, 29752), (936, 22314), (1404, 14876), (1872, 11157), (2808, 7438), (3719, 5616)]