20508729424

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{5647}}^1$

素因数の和:5888

約数の個数: 80

約数和(自身を含む): 42357288960

約数和(自身を除く): 21848559536

約数列:

[1, 2, 4, 8, 16, 23, 46, 71, 92, 139, 142, 184, 278, 284, 368, 556, 568, 1112, 1136, 1633, 2224, 3197, 3266, 5647, 6394, 6532, 9869, 11294, 12788, 13064, 19738, 22588, 25576, 26128, 39476, 45176, 51152, 78952, 90352, 129881, 157904, 226987, 259762, 400937, 453974, 519524, 784933, 801874, 907948, 1039048, 1569866, 1603748, 1815896, 2078096, 3139732, 3207496, 3631792, 6279464, 6414992, 9221551, 12558928, 18053459, 18443102, 36106918, 36886204, 55730243, 72213836, 73772408, 111460486, 144427672, 147544816, 222920972, 288855344, 445841944, 891683888, 1281795589, 2563591178, 5127182356, 10254364712, 20508729424]

約数ペア:

[(1, 20508729424), (2, 10254364712), (4, 5127182356), (8, 2563591178), (16, 1281795589), (23, 891683888), (46, 445841944), (71, 288855344), (92, 222920972), (139, 147544816), (142, 144427672), (184, 111460486), (278, 73772408), (284, 72213836), (368, 55730243), (556, 36886204), (568, 36106918), (1112, 18443102), (1136, 18053459), (1633, 12558928), (2224, 9221551), (3197, 6414992), (3266, 6279464), (5647, 3631792), (6394, 3207496), (6532, 3139732), (9869, 2078096), (11294, 1815896), (12788, 1603748), (13064, 1569866), (19738, 1039048), (22588, 907948), (25576, 801874), (26128, 784933), (39476, 519524), (45176, 453974), (51152, 400937), (78952, 259762), (90352, 226987), (129881, 157904)]