20132651285

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{337}}^1$

素因数の和:650

約数の個数: 64

約数和(自身を含む): 26611416000

約数和(自身を除く): 6478764715

約数列:

[1, 5, 17, 53, 85, 89, 149, 265, 337, 445, 745, 901, 1513, 1685, 2533, 4505, 4717, 5729, 7565, 7897, 12665, 13261, 17861, 23585, 28645, 29993, 39485, 50213, 66305, 80189, 89305, 134249, 149965, 225437, 251065, 303637, 400945, 509881, 671245, 702833, 853621, 1127185, 1518185, 1589629, 2549405, 2661289, 3514165, 4268105, 4468957, 7948145, 11948161, 13306445, 22344785, 27023693, 45241913, 59740805, 75972269, 135118465, 226209565, 236854721, 379861345, 1184273605, 4026530257, 20132651285]

約数ペア:

[(1, 20132651285), (5, 4026530257), (17, 1184273605), (53, 379861345), (85, 236854721), (89, 226209565), (149, 135118465), (265, 75972269), (337, 59740805), (445, 45241913), (745, 27023693), (901, 22344785), (1513, 13306445), (1685, 11948161), (2533, 7948145), (4505, 4468957), (4717, 4268105), (5729, 3514165), (7565, 2661289), (7897, 2549405), (12665, 1589629), (13261, 1518185), (17861, 1127185), (23585, 853621), (28645, 702833), (29993, 671245), (39485, 509881), (50213, 400945), (66305, 303637), (80189, 251065), (89305, 225437), (134249, 149965)]