20457304

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2269}}^1$

素因数の和:2312

約数の個数: 48

約数和(自身を含む): 46580400

約数和(自身を除く): 26123096

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 161, 184, 196, 322, 392, 644, 1127, 1288, 2254, 2269, 4508, 4538, 9016, 9076, 15883, 18152, 31766, 52187, 63532, 104374, 111181, 127064, 208748, 222362, 365309, 417496, 444724, 730618, 889448, 1461236, 2557163, 2922472, 5114326, 10228652, 20457304]

約数ペア:

[(1, 20457304), (2, 10228652), (4, 5114326), (7, 2922472), (8, 2557163), (14, 1461236), (23, 889448), (28, 730618), (46, 444724), (49, 417496), (56, 365309), (92, 222362), (98, 208748), (161, 127064), (184, 111181), (196, 104374), (322, 63532), (392, 52187), (644, 31766), (1127, 18152), (1288, 15883), (2254, 9076), (2269, 9016), (4508, 4538)]