20534896

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2179}}^1$

素因数の和:2237

約数の個数: 40

約数和(自身を含む): 43251200

約数和(自身を除く): 22716304

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2179, 2356, 4358, 4712, 8716, 9424, 17432, 34864, 41401, 67549, 82802, 135098, 165604, 270196, 331208, 540392, 662416, 1080784, 1283431, 2566862, 5133724, 10267448, 20534896]

約数ペア:

[(1, 20534896), (2, 10267448), (4, 5133724), (8, 2566862), (16, 1283431), (19, 1080784), (31, 662416), (38, 540392), (62, 331208), (76, 270196), (124, 165604), (152, 135098), (248, 82802), (304, 67549), (496, 41401), (589, 34864), (1178, 17432), (2179, 9424), (2356, 8716), (4358, 4712)]