20119438

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{2251}}^1$

素因数の和:2403

約数の個数: 16

約数和(自身を含む): 31212720

約数和(自身を除く): 11093282

約数列:

[1, 2, 41, 82, 109, 218, 2251, 4469, 4502, 8938, 92291, 184582, 245359, 490718, 10059719, 20119438]

約数ペア:

[(1, 20119438), (2, 10059719), (41, 490718), (82, 245359), (109, 184582), (218, 92291), (2251, 8938), (4469, 4502)]