20447344

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67261}}^1$

素因数の和:67288

約数の個数: 20

約数和(自身を含む): 41702440

約数和(自身を除く): 21255096

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67261, 134522, 269044, 538088, 1076176, 1277959, 2555918, 5111836, 10223672, 20447344]

約数ペア:

[(1, 20447344), (2, 10223672), (4, 5111836), (8, 2555918), (16, 1277959), (19, 1076176), (38, 538088), (76, 269044), (152, 134522), (304, 67261)]