20185581908

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1619}}^1\times {\mathrm{2557}}^1$

素因数の和:4256

約数の個数: 48

約数和(自身を含む): 37594005120

約数和(自身を除く): 17408423212

約数列:

[1, 2, 4, 23, 46, 53, 92, 106, 212, 1219, 1619, 2438, 2557, 3238, 4876, 5114, 6476, 10228, 37237, 58811, 74474, 85807, 117622, 135521, 148948, 171614, 235244, 271042, 343228, 542084, 1973561, 3116983, 3947122, 4139783, 6233966, 7894244, 8279566, 12467932, 16559132, 95215009, 190430018, 219408499, 380860036, 438816998, 877633996, 5046395477, 10092790954, 20185581908]

約数ペア:

[(1, 20185581908), (2, 10092790954), (4, 5046395477), (23, 877633996), (46, 438816998), (53, 380860036), (92, 219408499), (106, 190430018), (212, 95215009), (1219, 16559132), (1619, 12467932), (2438, 8279566), (2557, 7894244), (3238, 6233966), (4876, 4139783), (5114, 3947122), (6476, 3116983), (10228, 1973561), (37237, 542084), (58811, 343228), (74474, 271042), (85807, 235244), (117622, 171614), (135521, 148948)]