20329120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2593}}^1$

素因数の和:2622

約数の個数: 72

約数和(自身を含む): 55890324

約数和(自身を除く): 35561204

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 2593, 3920, 5186, 7840, 10372, 12965, 18151, 20744, 25930, 36302, 41488, 51860, 72604, 82976, 90755, 103720, 127057, 145208, 181510, 207440, 254114, 290416, 363020, 414880, 508228, 580832, 635285, 726040, 1016456, 1270570, 1452080, 2032912, 2541140, 2904160, 4065824, 5082280, 10164560, 20329120]

約数ペア:

[(1, 20329120), (2, 10164560), (4, 5082280), (5, 4065824), (7, 2904160), (8, 2541140), (10, 2032912), (14, 1452080), (16, 1270570), (20, 1016456), (28, 726040), (32, 635285), (35, 580832), (40, 508228), (49, 414880), (56, 363020), (70, 290416), (80, 254114), (98, 207440), (112, 181510), (140, 145208), (160, 127057), (196, 103720), (224, 90755), (245, 82976), (280, 72604), (392, 51860), (490, 41488), (560, 36302), (784, 25930), (980, 20744), (1120, 18151), (1568, 12965), (1960, 10372), (2593, 7840), (3920, 5186)]