20714040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{353}}^1$

素因数の和:533

約数の個数: 96

約数和(自身を含む): 67925520

約数和(自身を除く): 47211480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 163, 180, 326, 353, 360, 489, 652, 706, 815, 978, 1059, 1304, 1412, 1467, 1630, 1765, 1956, 2118, 2445, 2824, 2934, 3177, 3260, 3530, 3912, 4236, 4890, 5295, 5868, 6354, 6520, 7060, 7335, 8472, 9780, 10590, 11736, 12708, 14120, 14670, 15885, 19560, 21180, 25416, 29340, 31770, 42360, 57539, 58680, 63540, 115078, 127080, 172617, 230156, 287695, 345234, 460312, 517851, 575390, 690468, 863085, 1035702, 1150780, 1380936, 1726170, 2071404, 2301560, 2589255, 3452340, 4142808, 5178510, 6904680, 10357020, 20714040]

約数ペア:

[(1, 20714040), (2, 10357020), (3, 6904680), (4, 5178510), (5, 4142808), (6, 3452340), (8, 2589255), (9, 2301560), (10, 2071404), (12, 1726170), (15, 1380936), (18, 1150780), (20, 1035702), (24, 863085), (30, 690468), (36, 575390), (40, 517851), (45, 460312), (60, 345234), (72, 287695), (90, 230156), (120, 172617), (163, 127080), (180, 115078), (326, 63540), (353, 58680), (360, 57539), (489, 42360), (652, 31770), (706, 29340), (815, 25416), (978, 21180), (1059, 19560), (1304, 15885), (1412, 14670), (1467, 14120), (1630, 12708), (1765, 11736), (1956, 10590), (2118, 9780), (2445, 8472), (2824, 7335), (2934, 7060), (3177, 6520), (3260, 6354), (3530, 5868), (3912, 5295), (4236, 4890)]