20169840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2711}}^1$

素因数の和:2758

約数の個数: 80

約数和(自身を含む): 64567296

約数和(自身を除く): 44397456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 2711, 3720, 5422, 7440, 8133, 10844, 13555, 16266, 21688, 27110, 32532, 40665, 43376, 54220, 65064, 81330, 84041, 108440, 130128, 162660, 168082, 216880, 252123, 325320, 336164, 420205, 504246, 650640, 672328, 840410, 1008492, 1260615, 1344656, 1680820, 2016984, 2521230, 3361640, 4033968, 5042460, 6723280, 10084920, 20169840]

約数ペア:

[(1, 20169840), (2, 10084920), (3, 6723280), (4, 5042460), (5, 4033968), (6, 3361640), (8, 2521230), (10, 2016984), (12, 1680820), (15, 1344656), (16, 1260615), (20, 1008492), (24, 840410), (30, 672328), (31, 650640), (40, 504246), (48, 420205), (60, 336164), (62, 325320), (80, 252123), (93, 216880), (120, 168082), (124, 162660), (155, 130128), (186, 108440), (240, 84041), (248, 81330), (310, 65064), (372, 54220), (465, 43376), (496, 40665), (620, 32532), (744, 27110), (930, 21688), (1240, 16266), (1488, 13555), (1860, 10844), (2480, 8133), (2711, 7440), (3720, 5422)]