20810361344

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{10859}}^1$

素因数の和:11093

約数の個数: 80

約数和(自身を含む): 43994728800

約数和(自身を除く): 23184367456

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 197, 256, 304, 394, 512, 608, 788, 1216, 1576, 2432, 3152, 3743, 4864, 6304, 7486, 9728, 10859, 12608, 14972, 21718, 25216, 29944, 43436, 50432, 59888, 86872, 100864, 119776, 173744, 206321, 239552, 347488, 412642, 479104, 694976, 825284, 958208, 1389952, 1650568, 1916416, 2139223, 2779904, 3301136, 4278446, 5559808, 6602272, 8556892, 13204544, 17113784, 26409088, 34227568, 40645237, 52818176, 68455136, 81290474, 105636352, 136910272, 162580948, 273820544, 325161896, 547641088, 650323792, 1095282176, 1300647584, 2601295168, 5202590336, 10405180672, 20810361344]

約数ペア:

[(1, 20810361344), (2, 10405180672), (4, 5202590336), (8, 2601295168), (16, 1300647584), (19, 1095282176), (32, 650323792), (38, 547641088), (64, 325161896), (76, 273820544), (128, 162580948), (152, 136910272), (197, 105636352), (256, 81290474), (304, 68455136), (394, 52818176), (512, 40645237), (608, 34227568), (788, 26409088), (1216, 17113784), (1576, 13204544), (2432, 8556892), (3152, 6602272), (3743, 5559808), (4864, 4278446), (6304, 3301136), (7486, 2779904), (9728, 2139223), (10859, 1916416), (12608, 1650568), (14972, 1389952), (21718, 958208), (25216, 825284), (29944, 694976), (43436, 479104), (50432, 412642), (59888, 347488), (86872, 239552), (100864, 206321), (119776, 173744)]