20474552

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2749}}^1$

素因数の和:2788

約数の個数: 48

約数和(自身を含む): 47025000

約数和(自身を除く): 26550448

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 392, 532, 931, 1064, 1862, 2749, 3724, 5498, 7448, 10996, 19243, 21992, 38486, 52231, 76972, 104462, 134701, 153944, 208924, 269402, 365617, 417848, 538804, 731234, 1077608, 1462468, 2559319, 2924936, 5118638, 10237276, 20474552]

約数ペア:

[(1, 20474552), (2, 10237276), (4, 5118638), (7, 2924936), (8, 2559319), (14, 1462468), (19, 1077608), (28, 731234), (38, 538804), (49, 417848), (56, 365617), (76, 269402), (98, 208924), (133, 153944), (152, 134701), (196, 104462), (266, 76972), (392, 52231), (532, 38486), (931, 21992), (1064, 19243), (1862, 10996), (2749, 7448), (3724, 5498)]