20357040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{701}}^1$

素因数の和:739

約数の個数: 120

約数和(自身を含む): 69464304

約数和(自身を除く): 49107264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 660, 701, 726, 880, 968, 1210, 1320, 1402, 1452, 1815, 1936, 2103, 2420, 2640, 2804, 2904, 3505, 3630, 4206, 4840, 5608, 5808, 7010, 7260, 7711, 8412, 9680, 10515, 11216, 14020, 14520, 15422, 16824, 21030, 23133, 28040, 29040, 30844, 33648, 38555, 42060, 46266, 56080, 61688, 77110, 84120, 84821, 92532, 115665, 123376, 154220, 168240, 169642, 185064, 231330, 254463, 308440, 339284, 370128, 424105, 462660, 508926, 616880, 678568, 848210, 925320, 1017852, 1272315, 1357136, 1696420, 1850640, 2035704, 2544630, 3392840, 4071408, 5089260, 6785680, 10178520, 20357040]

約数ペア:

[(1, 20357040), (2, 10178520), (3, 6785680), (4, 5089260), (5, 4071408), (6, 3392840), (8, 2544630), (10, 2035704), (11, 1850640), (12, 1696420), (15, 1357136), (16, 1272315), (20, 1017852), (22, 925320), (24, 848210), (30, 678568), (33, 616880), (40, 508926), (44, 462660), (48, 424105), (55, 370128), (60, 339284), (66, 308440), (80, 254463), (88, 231330), (110, 185064), (120, 169642), (121, 168240), (132, 154220), (165, 123376), (176, 115665), (220, 92532), (240, 84821), (242, 84120), (264, 77110), (330, 61688), (363, 56080), (440, 46266), (484, 42060), (528, 38555), (605, 33648), (660, 30844), (701, 29040), (726, 28040), (880, 23133), (968, 21030), (1210, 16824), (1320, 15422), (1402, 14520), (1452, 14020), (1815, 11216), (1936, 10515), (2103, 9680), (2420, 8412), (2640, 7711), (2804, 7260), (2904, 7010), (3505, 5808), (3630, 5608), (4206, 4840)]