20747722

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1\times {\mathrm{601}}^1$

素因数の和:1065

約数の個数: 16

約数和(自身を含む): 32009544

約数和(自身を除く): 11261822

約数列:

[1, 2, 41, 82, 421, 601, 842, 1202, 17261, 24641, 34522, 49282, 253021, 506042, 10373861, 20747722]

約数ペア:

[(1, 20747722), (2, 10373861), (41, 506042), (82, 253021), (421, 49282), (601, 34522), (842, 24641), (1202, 17261)]