19926040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29303}}^1$

素因数の和:29331

約数の個数: 32

約数和(自身を含む): 47472480

約数和(自身を除く): 27546440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29303, 58606, 117212, 146515, 234424, 293030, 498151, 586060, 996302, 1172120, 1992604, 2490755, 3985208, 4981510, 9963020, 19926040]

約数ペア:

[(1, 19926040), (2, 9963020), (4, 4981510), (5, 3985208), (8, 2490755), (10, 1992604), (17, 1172120), (20, 996302), (34, 586060), (40, 498151), (68, 293030), (85, 234424), (136, 146515), (170, 117212), (340, 58606), (680, 29303)]