16295020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{487}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 39352320

約数和(自身を除く): 23057300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 487, 956, 974, 1195, 1673, 1948, 2390, 2435, 3346, 3409, 4780, 4870, 6692, 6818, 8365, 9740, 13636, 16730, 17045, 33460, 34090, 68180, 116393, 232786, 465572, 581965, 814751, 1163930, 1629502, 2327860, 3259004, 4073755, 8147510, 16295020]

約数ペア:

[(1, 16295020), (2, 8147510), (4, 4073755), (5, 3259004), (7, 2327860), (10, 1629502), (14, 1163930), (20, 814751), (28, 581965), (35, 465572), (70, 232786), (140, 116393), (239, 68180), (478, 34090), (487, 33460), (956, 17045), (974, 16730), (1195, 13636), (1673, 9740), (1948, 8365), (2390, 6818), (2435, 6692), (3346, 4870), (3409, 4780)]