2017805020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{12721}}^1$

素因数の和:12851

約数の個数: 96

約数和(自身を含む): 5334690816

約数和(自身を除く): 3316885796

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 103, 110, 140, 154, 206, 220, 308, 385, 412, 515, 721, 770, 1030, 1133, 1442, 1540, 2060, 2266, 2884, 3605, 4532, 5665, 7210, 7931, 11330, 12721, 14420, 15862, 22660, 25442, 31724, 39655, 50884, 63605, 79310, 89047, 127210, 139931, 158620, 178094, 254420, 279862, 356188, 445235, 559724, 699655, 890470, 979517, 1310263, 1399310, 1780940, 1959034, 2620526, 2798620, 3918068, 4897585, 5241052, 6551315, 9171841, 9795170, 13102630, 14412893, 18343682, 19590340, 26205260, 28825786, 36687364, 45859205, 57651572, 72064465, 91718410, 100890251, 144128930, 183436820, 201780502, 288257860, 403561004, 504451255, 1008902510, 2017805020]

約数ペア:

[(1, 2017805020), (2, 1008902510), (4, 504451255), (5, 403561004), (7, 288257860), (10, 201780502), (11, 183436820), (14, 144128930), (20, 100890251), (22, 91718410), (28, 72064465), (35, 57651572), (44, 45859205), (55, 36687364), (70, 28825786), (77, 26205260), (103, 19590340), (110, 18343682), (140, 14412893), (154, 13102630), (206, 9795170), (220, 9171841), (308, 6551315), (385, 5241052), (412, 4897585), (515, 3918068), (721, 2798620), (770, 2620526), (1030, 1959034), (1133, 1780940), (1442, 1399310), (1540, 1310263), (2060, 979517), (2266, 890470), (2884, 699655), (3605, 559724), (4532, 445235), (5665, 356188), (7210, 279862), (7931, 254420), (11330, 178094), (12721, 158620), (14420, 139931), (15862, 127210), (22660, 89047), (25442, 79310), (31724, 63605), (39655, 50884)]