20796635140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{214531}}^1$

素因数の和:214708

約数の個数: 48

約数和(自身を含む): 45195885504

約数和(自身を除く): 24399250364

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 131, 148, 185, 262, 370, 524, 655, 740, 1310, 2620, 4847, 9694, 19388, 24235, 48470, 96940, 214531, 429062, 858124, 1072655, 2145310, 4290620, 7937647, 15875294, 28103561, 31750588, 39688235, 56207122, 79376470, 112414244, 140517805, 158752940, 281035610, 562071220, 1039831757, 2079663514, 4159327028, 5199158785, 10398317570, 20796635140]

約数ペア:

[(1, 20796635140), (2, 10398317570), (4, 5199158785), (5, 4159327028), (10, 2079663514), (20, 1039831757), (37, 562071220), (74, 281035610), (131, 158752940), (148, 140517805), (185, 112414244), (262, 79376470), (370, 56207122), (524, 39688235), (655, 31750588), (740, 28103561), (1310, 15875294), (2620, 7937647), (4847, 4290620), (9694, 2145310), (19388, 1072655), (24235, 858124), (48470, 429062), (96940, 214531)]