20237925544

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{347}}^1\times {\mathrm{1493}}^1$

素因数の和:2122

約数の個数: 64

約数和(自身を含む): 40241188800

約数和(自身を除く): 20003263256

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 257, 347, 514, 694, 1028, 1388, 1493, 2056, 2776, 2986, 4883, 5972, 6593, 9766, 11944, 13186, 19532, 26372, 28367, 39064, 52744, 56734, 89179, 113468, 178358, 226936, 356716, 383701, 518071, 713432, 767402, 1036142, 1534804, 1694401, 2072284, 3069608, 3388802, 4144568, 6777604, 7290319, 9843349, 13555208, 14580638, 19686698, 29161276, 39373396, 58322552, 78746792, 133144247, 266288494, 532576988, 1065153976, 2529740693, 5059481386, 10118962772, 20237925544]

約数ペア:

[(1, 20237925544), (2, 10118962772), (4, 5059481386), (8, 2529740693), (19, 1065153976), (38, 532576988), (76, 266288494), (152, 133144247), (257, 78746792), (347, 58322552), (514, 39373396), (694, 29161276), (1028, 19686698), (1388, 14580638), (1493, 13555208), (2056, 9843349), (2776, 7290319), (2986, 6777604), (4883, 4144568), (5972, 3388802), (6593, 3069608), (9766, 2072284), (11944, 1694401), (13186, 1534804), (19532, 1036142), (26372, 767402), (28367, 713432), (39064, 518071), (52744, 383701), (56734, 356716), (89179, 226936), (113468, 178358)]