20176985074

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{937}}^1\times {\mathrm{2671}}^1$

素因数の和:3778

約数の個数: 32

約数和(自身を含む): 31579833600

約数和(自身を除く): 11402848526

約数列:

[1, 2, 29, 58, 139, 278, 937, 1874, 2671, 4031, 5342, 8062, 27173, 54346, 77459, 130243, 154918, 260486, 371269, 742538, 2502727, 3777047, 5005454, 7554094, 10766801, 21533602, 72579083, 145158166, 347879053, 695758106, 10088492537, 20176985074]

約数ペア:

[(1, 20176985074), (2, 10088492537), (29, 695758106), (58, 347879053), (139, 145158166), (278, 72579083), (937, 21533602), (1874, 10766801), (2671, 7554094), (4031, 5005454), (5342, 3777047), (8062, 2502727), (27173, 742538), (54346, 371269), (77459, 260486), (130243, 154918)]