20009667964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2057761}}^1$

素因数の和:2057806

約数の個数: 48

約数和(自身を含む): 43558706016

約数和(自身を除く): 23549038052

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 2431, 4862, 9724, 2057761, 4115522, 8231044, 22635371, 26750893, 34981937, 45270742, 53501786, 69963874, 90541484, 107003572, 139927748, 294259823, 384801307, 454765181, 588519646, 769602614, 909530362, 1177039292, 1539205228, 1819060724, 5002416991, 10004833982, 20009667964]

約数ペア:

[(1, 20009667964), (2, 10004833982), (4, 5002416991), (11, 1819060724), (13, 1539205228), (17, 1177039292), (22, 909530362), (26, 769602614), (34, 588519646), (44, 454765181), (52, 384801307), (68, 294259823), (143, 139927748), (187, 107003572), (221, 90541484), (286, 69963874), (374, 53501786), (442, 45270742), (572, 34981937), (748, 26750893), (884, 22635371), (2431, 8231044), (4862, 4115522), (9724, 2057761)]