20951486

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1\times {\mathrm{421}}^1$

素因数の和:739

約数の個数: 16

約数和(自身を含む): 31903200

約数和(自身を除く): 10951714

約数列:

[1, 2, 149, 167, 298, 334, 421, 842, 24883, 49766, 62729, 70307, 125458, 140614, 10475743, 20951486]

約数ペア:

[(1, 20951486), (2, 10475743), (149, 140614), (167, 125458), (298, 70307), (334, 62729), (421, 49766), (842, 24883)]