20029876

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 20189324

約数列:

[1, 2, 4, 17, 19, 34, 37, 38, 68, 74, 76, 148, 323, 419, 629, 646, 703, 838, 1258, 1292, 1406, 1676, 2516, 2812, 7123, 7961, 11951, 14246, 15503, 15922, 23902, 28492, 31006, 31844, 47804, 62012, 135337, 263551, 270674, 294557, 527102, 541348, 589114, 1054204, 1178228, 5007469, 10014938, 20029876]

約数ペア:

[(1, 20029876), (2, 10014938), (4, 5007469), (17, 1178228), (19, 1054204), (34, 589114), (37, 541348), (38, 527102), (68, 294557), (74, 270674), (76, 263551), (148, 135337), (323, 62012), (419, 47804), (629, 31844), (646, 31006), (703, 28492), (838, 23902), (1258, 15922), (1292, 15503), (1406, 14246), (1676, 11951), (2516, 7961), (2812, 7123)]