19630020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6961}}^1$

素因数の和:7020

約数の個数: 48

約数和(自身を含む): 56141568

約数和(自身を除く): 36511548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 6961, 13922, 20883, 27844, 34805, 41766, 69610, 83532, 104415, 139220, 208830, 327167, 417660, 654334, 981501, 1308668, 1635835, 1963002, 3271670, 3926004, 4907505, 6543340, 9815010, 19630020]

約数ペア:

[(1, 19630020), (2, 9815010), (3, 6543340), (4, 4907505), (5, 3926004), (6, 3271670), (10, 1963002), (12, 1635835), (15, 1308668), (20, 981501), (30, 654334), (47, 417660), (60, 327167), (94, 208830), (141, 139220), (188, 104415), (235, 83532), (282, 69610), (470, 41766), (564, 34805), (705, 27844), (940, 20883), (1410, 13922), (2820, 6961)]