20199654510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{487}}^1\times {\mathrm{751}}^1$

素因数の和:1518

約数の個数: 128

約数和(自身を含む): 55803838464

約数和(自身を除く): 35604183954

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 263, 487, 526, 751, 789, 974, 1315, 1461, 1502, 1578, 1841, 2253, 2435, 2630, 2922, 3409, 3682, 3755, 3945, 4506, 4870, 5257, 5523, 6818, 7305, 7510, 7890, 9205, 10227, 10514, 11046, 11265, 14610, 15771, 17045, 18410, 20454, 22530, 26285, 27615, 31542, 34090, 51135, 52570, 55230, 78855, 102270, 128081, 157710, 197513, 256162, 365737, 384243, 395026, 592539, 640405, 731474, 768486, 896567, 987565, 1097211, 1185078, 1280810, 1382591, 1793134, 1828685, 1921215, 1975130, 2194422, 2560159, 2689701, 2765182, 2962695, 3657370, 3842430, 4147773, 4482835, 5120318, 5379402, 5486055, 5925390, 6912955, 7680477, 8295546, 8965670, 10972110, 12800795, 13448505, 13825910, 15360954, 20738865, 25601590, 26897010, 38402385, 41477730, 76804770, 96188831, 192377662, 288566493, 480944155, 577132986, 673321817, 961888310, 1346643634, 1442832465, 2019965451, 2885664930, 3366609085, 4039930902, 6733218170, 10099827255, 20199654510]

約数ペア:

[(1, 20199654510), (2, 10099827255), (3, 6733218170), (5, 4039930902), (6, 3366609085), (7, 2885664930), (10, 2019965451), (14, 1442832465), (15, 1346643634), (21, 961888310), (30, 673321817), (35, 577132986), (42, 480944155), (70, 288566493), (105, 192377662), (210, 96188831), (263, 76804770), (487, 41477730), (526, 38402385), (751, 26897010), (789, 25601590), (974, 20738865), (1315, 15360954), (1461, 13825910), (1502, 13448505), (1578, 12800795), (1841, 10972110), (2253, 8965670), (2435, 8295546), (2630, 7680477), (2922, 6912955), (3409, 5925390), (3682, 5486055), (3755, 5379402), (3945, 5120318), (4506, 4482835), (4870, 4147773), (5257, 3842430), (5523, 3657370), (6818, 2962695), (7305, 2765182), (7510, 2689701), (7890, 2560159), (9205, 2194422), (10227, 1975130), (10514, 1921215), (11046, 1828685), (11265, 1793134), (14610, 1382591), (15771, 1280810), (17045, 1185078), (18410, 1097211), (20454, 987565), (22530, 896567), (26285, 768486), (27615, 731474), (31542, 640405), (34090, 592539), (51135, 395026), (52570, 384243), (55230, 365737), (78855, 256162), (102270, 197513), (128081, 157710)]