20628148

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{11801}}^1$

素因数の和:11847

約数の個数: 24

約数和(自身を含む): 39654720

約数和(自身を除く): 19026572

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 11801, 23602, 47204, 224219, 271423, 448438, 542846, 896876, 1085692, 5157037, 10314074, 20628148]

約数ペア:

[(1, 20628148), (2, 10314074), (4, 5157037), (19, 1085692), (23, 896876), (38, 542846), (46, 448438), (76, 271423), (92, 224219), (437, 47204), (874, 23602), (1748, 11801)]