20553100

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{4373}}^1$

素因数の和:4434

約数の個数: 36

約数和(自身を含む): 45559584

約数和(自身を除く): 25006484

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2350, 4373, 4700, 8746, 17492, 21865, 43730, 87460, 109325, 205531, 218650, 411062, 437300, 822124, 1027655, 2055310, 4110620, 5138275, 10276550, 20553100]

約数ペア:

[(1, 20553100), (2, 10276550), (4, 5138275), (5, 4110620), (10, 2055310), (20, 1027655), (25, 822124), (47, 437300), (50, 411062), (94, 218650), (100, 205531), (188, 109325), (235, 87460), (470, 43730), (940, 21865), (1175, 17492), (2350, 8746), (4373, 4700)]