20001528

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{14621}}^1$

素因数の和:14652

約数の個数: 48

約数和(自身を含む): 57025800

約数和(自身を除く): 37024272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 14621, 29242, 43863, 58484, 87726, 116968, 131589, 175452, 263178, 277799, 350904, 526356, 555598, 833397, 1052712, 1111196, 1666794, 2222392, 2500191, 3333588, 5000382, 6667176, 10000764, 20001528]

約数ペア:

[(1, 20001528), (2, 10000764), (3, 6667176), (4, 5000382), (6, 3333588), (8, 2500191), (9, 2222392), (12, 1666794), (18, 1111196), (19, 1052712), (24, 833397), (36, 555598), (38, 526356), (57, 350904), (72, 277799), (76, 263178), (114, 175452), (152, 131589), (171, 116968), (228, 87726), (342, 58484), (456, 43863), (684, 29242), (1368, 14621)]