20252340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1907}}^1$

素因数の和:1981

約数の個数: 72

約数和(自身を含む): 62506080

約数和(自身を除く): 42253740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 1907, 2124, 2655, 3540, 3814, 5310, 5721, 7628, 9535, 10620, 11442, 17163, 19070, 22884, 28605, 34326, 38140, 57210, 68652, 85815, 112513, 114420, 171630, 225026, 337539, 343260, 450052, 562565, 675078, 1012617, 1125130, 1350156, 1687695, 2025234, 2250260, 3375390, 4050468, 5063085, 6750780, 10126170, 20252340]

約数ペア:

[(1, 20252340), (2, 10126170), (3, 6750780), (4, 5063085), (5, 4050468), (6, 3375390), (9, 2250260), (10, 2025234), (12, 1687695), (15, 1350156), (18, 1125130), (20, 1012617), (30, 675078), (36, 562565), (45, 450052), (59, 343260), (60, 337539), (90, 225026), (118, 171630), (177, 114420), (180, 112513), (236, 85815), (295, 68652), (354, 57210), (531, 38140), (590, 34326), (708, 28605), (885, 22884), (1062, 19070), (1180, 17163), (1770, 11442), (1907, 10620), (2124, 9535), (2655, 7628), (3540, 5721), (3814, 5310)]