20392016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67079}}^1$

素因数の和:67106

約数の個数: 20

約数和(自身を含む): 41589600

約数和(自身を除く): 21197584

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67079, 134158, 268316, 536632, 1073264, 1274501, 2549002, 5098004, 10196008, 20392016]

約数ペア:

[(1, 20392016), (2, 10196008), (4, 5098004), (8, 2549002), (16, 1274501), (19, 1073264), (38, 536632), (76, 268316), (152, 134158), (304, 67079)]