20199137272

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1303}}^1\times {\mathrm{101987}}^1$

素因数の和:103315

約数の個数: 32

約数和(自身を含む): 39897705600

約数和(自身を除く): 19698568328

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1303, 2606, 5212, 10424, 24757, 49514, 99028, 101987, 198056, 203974, 407948, 815896, 1937753, 3875506, 7751012, 15502024, 132889061, 265778122, 531556244, 1063112488, 2524892159, 5049784318, 10099568636, 20199137272]

約数ペア:

[(1, 20199137272), (2, 10099568636), (4, 5049784318), (8, 2524892159), (19, 1063112488), (38, 531556244), (76, 265778122), (152, 132889061), (1303, 15502024), (2606, 7751012), (5212, 3875506), (10424, 1937753), (24757, 815896), (49514, 407948), (99028, 203974), (101987, 198056)]