20190640340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{611467}}^1$

素因数の和:611616

約数の個数: 48

約数和(自身を含む): 46021527552

約数和(自身を除く): 25830887212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2540, 3302, 6604, 8255, 16510, 33020, 611467, 1222934, 2445868, 3057335, 6114670, 7949071, 12229340, 15898142, 31796284, 39745355, 77656309, 79490710, 155312618, 158981420, 310625236, 388281545, 776563090, 1009532017, 1553126180, 2019064034, 4038128068, 5047660085, 10095320170, 20190640340]

約数ペア:

[(1, 20190640340), (2, 10095320170), (4, 5047660085), (5, 4038128068), (10, 2019064034), (13, 1553126180), (20, 1009532017), (26, 776563090), (52, 388281545), (65, 310625236), (127, 158981420), (130, 155312618), (254, 79490710), (260, 77656309), (508, 39745355), (635, 31796284), (1270, 15898142), (1651, 12229340), (2540, 7949071), (3302, 6114670), (6604, 3057335), (8255, 2445868), (16510, 1222934), (33020, 611467)]