20565902488

素因数分解:

$2^3\times {\mathrm{53}}^2\times {\mathrm{317}}^1\times {\mathrm{2887}}^1$

素因数の和:3316

約数の個数: 48

約数和(自身を含む): 39440000880

約数和(自身を除く): 18874098392

約数列:

[1, 2, 4, 8, 53, 106, 212, 317, 424, 634, 1268, 2536, 2809, 2887, 5618, 5774, 11236, 11548, 16801, 22472, 23096, 33602, 67204, 134408, 153011, 306022, 612044, 890453, 915179, 1224088, 1780906, 1830358, 3561812, 3660716, 7123624, 7321432, 8109583, 16219166, 32438332, 48504487, 64876664, 97008974, 194017948, 388035896, 2570737811, 5141475622, 10282951244, 20565902488]

約数ペア:

[(1, 20565902488), (2, 10282951244), (4, 5141475622), (8, 2570737811), (53, 388035896), (106, 194017948), (212, 97008974), (317, 64876664), (424, 48504487), (634, 32438332), (1268, 16219166), (2536, 8109583), (2809, 7321432), (2887, 7123624), (5618, 3660716), (5774, 3561812), (11236, 1830358), (11548, 1780906), (16801, 1224088), (22472, 915179), (23096, 890453), (33602, 612044), (67204, 306022), (134408, 153011)]