20667122

素因数分解:

$2^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 36979200

約数和(自身を除く): 16312078

約数列:

[1, 2, 7, 14, 47, 49, 94, 98, 329, 343, 641, 658, 686, 1282, 2303, 4487, 4606, 8974, 16121, 30127, 31409, 32242, 60254, 62818, 210889, 219863, 421778, 439726, 1476223, 2952446, 10333561, 20667122]

約数ペア:

[(1, 20667122), (2, 10333561), (7, 2952446), (14, 1476223), (47, 439726), (49, 421778), (94, 219863), (98, 210889), (329, 62818), (343, 60254), (641, 32242), (658, 31409), (686, 30127), (1282, 16121), (2303, 8974), (4487, 4606)]