20649392

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1$

素因数の和:461

約数の個数: 40

約数和(自身を含む): 41783040

約数和(自身を除く): 21133648

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 191, 232, 233, 382, 464, 466, 764, 932, 1528, 1864, 3056, 3728, 5539, 6757, 11078, 13514, 22156, 27028, 44312, 44503, 54056, 88624, 89006, 108112, 178012, 356024, 712048, 1290587, 2581174, 5162348, 10324696, 20649392]

約数ペア:

[(1, 20649392), (2, 10324696), (4, 5162348), (8, 2581174), (16, 1290587), (29, 712048), (58, 356024), (116, 178012), (191, 108112), (232, 89006), (233, 88624), (382, 54056), (464, 44503), (466, 44312), (764, 27028), (932, 22156), (1528, 13514), (1864, 11078), (3056, 6757), (3728, 5539)]