20199304180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{57709}}^1$

素因数の和:57809

約数の個数: 96

約数和(自身を含む): 48631524480

約数和(自身を除く): 28432220300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 43, 44, 55, 74, 86, 110, 148, 172, 185, 215, 220, 370, 407, 430, 473, 740, 814, 860, 946, 1591, 1628, 1892, 2035, 2365, 3182, 4070, 4730, 6364, 7955, 8140, 9460, 15910, 17501, 31820, 35002, 57709, 70004, 87505, 115418, 175010, 230836, 288545, 350020, 577090, 634799, 1154180, 1269598, 2135233, 2481487, 2539196, 3173995, 4270466, 4962974, 6347990, 8540932, 9925948, 10676165, 12407435, 12695980, 21352330, 23487563, 24814870, 27296357, 42704660, 46975126, 49629740, 54592714, 91815019, 93950252, 109185428, 117437815, 136481785, 183630038, 234875630, 272963570, 367260076, 459075095, 469751260, 545927140, 918150190, 1009965209, 1836300380, 2019930418, 4039860836, 5049826045, 10099652090, 20199304180]

約数ペア:

[(1, 20199304180), (2, 10099652090), (4, 5049826045), (5, 4039860836), (10, 2019930418), (11, 1836300380), (20, 1009965209), (22, 918150190), (37, 545927140), (43, 469751260), (44, 459075095), (55, 367260076), (74, 272963570), (86, 234875630), (110, 183630038), (148, 136481785), (172, 117437815), (185, 109185428), (215, 93950252), (220, 91815019), (370, 54592714), (407, 49629740), (430, 46975126), (473, 42704660), (740, 27296357), (814, 24814870), (860, 23487563), (946, 21352330), (1591, 12695980), (1628, 12407435), (1892, 10676165), (2035, 9925948), (2365, 8540932), (3182, 6347990), (4070, 4962974), (4730, 4270466), (6364, 3173995), (7955, 2539196), (8140, 2481487), (9460, 2135233), (15910, 1269598), (17501, 1154180), (31820, 634799), (35002, 577090), (57709, 350020), (70004, 288545), (87505, 230836), (115418, 175010)]