16820341204

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{521}}^1\times {\mathrm{2851}}^1$

素因数の和:3544

約数の個数: 48

約数和(自身を含む): 31263624000

約数和(自身を除く): 14443282796

約数列:

[1, 2, 4, 19, 38, 76, 149, 298, 521, 596, 1042, 2084, 2831, 2851, 5662, 5702, 9899, 11324, 11404, 19798, 39596, 54169, 77629, 108338, 155258, 216676, 310516, 424799, 849598, 1474951, 1485371, 1699196, 2949902, 2970742, 5899804, 5941484, 8071181, 16142362, 28222049, 32284724, 56444098, 112888196, 221320279, 442640558, 885281116, 4205085301, 8410170602, 16820341204]

約数ペア:

[(1, 16820341204), (2, 8410170602), (4, 4205085301), (19, 885281116), (38, 442640558), (76, 221320279), (149, 112888196), (298, 56444098), (521, 32284724), (596, 28222049), (1042, 16142362), (2084, 8071181), (2831, 5941484), (2851, 5899804), (5662, 2970742), (5702, 2949902), (9899, 1699196), (11324, 1485371), (11404, 1474951), (19798, 849598), (39596, 424799), (54169, 310516), (77629, 216676), (108338, 155258)]