20122378

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{6529}}^1$

素因数の和:6621

約数の個数: 16

約数和(自身を含む): 31970880

約数和(自身を除く): 11848502

約数列:

[1, 2, 23, 46, 67, 134, 1541, 3082, 6529, 13058, 150167, 300334, 437443, 874886, 10061189, 20122378]

約数ペア:

[(1, 20122378), (2, 10061189), (23, 874886), (46, 437443), (67, 300334), (134, 150167), (1541, 13058), (3082, 6529)]