20401136

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9587}}^1$

素因数の和:9621

約数の個数: 40

約数和(自身を含む): 47556480

約数和(自身を除く): 27155344

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9587, 19174, 38348, 67109, 76696, 134218, 153392, 182153, 268436, 364306, 536872, 728612, 1073744, 1275071, 1457224, 2550142, 2914448, 5100284, 10200568, 20401136]

約数ペア:

[(1, 20401136), (2, 10200568), (4, 5100284), (7, 2914448), (8, 2550142), (14, 1457224), (16, 1275071), (19, 1073744), (28, 728612), (38, 536872), (56, 364306), (76, 268436), (112, 182153), (133, 153392), (152, 134218), (266, 76696), (304, 67109), (532, 38348), (1064, 19174), (2128, 9587)]