20172122008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{709}}^1\times {\mathrm{187181}}^1$

素因数の和:187915

約数の個数: 32

約数和(自身を含む): 39869766000

約数和(自身を除く): 19697643992

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 709, 1418, 2836, 5672, 13471, 26942, 53884, 107768, 187181, 374362, 748724, 1497448, 3556439, 7112878, 14225756, 28451512, 132711329, 265422658, 530845316, 1061690632, 2521515251, 5043030502, 10086061004, 20172122008]

約数ペア:

[(1, 20172122008), (2, 10086061004), (4, 5043030502), (8, 2521515251), (19, 1061690632), (38, 530845316), (76, 265422658), (152, 132711329), (709, 28451512), (1418, 14225756), (2836, 7112878), (5672, 3556439), (13471, 1497448), (26942, 748724), (53884, 374362), (107768, 187181)]