20281707928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{818603}}^1$

素因数の和:818791

約数の個数: 32

約数和(自身を含む): 40275316800

約数和(自身を除く): 19993608872

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 163, 326, 652, 1304, 3097, 6194, 12388, 24776, 818603, 1637206, 3274412, 6548824, 15553457, 31106914, 62213828, 124427656, 133432289, 266864578, 533729156, 1067458312, 2535213491, 5070426982, 10140853964, 20281707928]

約数ペア:

[(1, 20281707928), (2, 10140853964), (4, 5070426982), (8, 2535213491), (19, 1067458312), (38, 533729156), (76, 266864578), (152, 133432289), (163, 124427656), (326, 62213828), (652, 31106914), (1304, 15553457), (3097, 6548824), (6194, 3274412), (12388, 1637206), (24776, 818603)]