20340043400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5352643}}^1$

素因数の和:5352678

約数の個数: 48

約数和(自身を含む): 49779589200

約数和(自身を除く): 29439545800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 5352643, 10705286, 21410572, 26763215, 42821144, 53526430, 101700217, 107052860, 133816075, 203400434, 214105720, 267632150, 406800868, 508501085, 535264300, 813601736, 1017002170, 1070528600, 2034004340, 2542505425, 4068008680, 5085010850, 10170021700, 20340043400]

約数ペア:

[(1, 20340043400), (2, 10170021700), (4, 5085010850), (5, 4068008680), (8, 2542505425), (10, 2034004340), (19, 1070528600), (20, 1017002170), (25, 813601736), (38, 535264300), (40, 508501085), (50, 406800868), (76, 267632150), (95, 214105720), (100, 203400434), (152, 133816075), (190, 107052860), (200, 101700217), (380, 53526430), (475, 42821144), (760, 26763215), (950, 21410572), (1900, 10705286), (3800, 5352643)]