20955116

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2503}}^1$

素因数の和:2550

約数の個数: 48

約数和(自身を含む): 47115264

約数和(自身を除く): 26160148

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 91, 92, 161, 182, 299, 322, 364, 598, 644, 1196, 2093, 2503, 4186, 5006, 8372, 10012, 17521, 32539, 35042, 57569, 65078, 70084, 115138, 130156, 227773, 230276, 402983, 455546, 748397, 805966, 911092, 1496794, 1611932, 2993588, 5238779, 10477558, 20955116]

約数ペア:

[(1, 20955116), (2, 10477558), (4, 5238779), (7, 2993588), (13, 1611932), (14, 1496794), (23, 911092), (26, 805966), (28, 748397), (46, 455546), (52, 402983), (91, 230276), (92, 227773), (161, 130156), (182, 115138), (299, 70084), (322, 65078), (364, 57569), (598, 35042), (644, 32539), (1196, 17521), (2093, 10012), (2503, 8372), (4186, 5006)]