20971382848

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1326631}}^1$

素因数の和:1326675

約数の個数: 56

約数和(自身を含む): 47175033920

約数和(自身を除く): 26203651072

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1976, 3952, 7904, 15808, 1326631, 2653262, 5306524, 10613048, 17246203, 21226096, 25205989, 34492406, 42452192, 50411978, 68984812, 84904384, 100823956, 137969624, 201647912, 275939248, 327677857, 403295824, 551878496, 655355714, 806591648, 1103756992, 1310711428, 1613183296, 2621422856, 5242845712, 10485691424, 20971382848]

約数ペア:

[(1, 20971382848), (2, 10485691424), (4, 5242845712), (8, 2621422856), (13, 1613183296), (16, 1310711428), (19, 1103756992), (26, 806591648), (32, 655355714), (38, 551878496), (52, 403295824), (64, 327677857), (76, 275939248), (104, 201647912), (152, 137969624), (208, 100823956), (247, 84904384), (304, 68984812), (416, 50411978), (494, 42452192), (608, 34492406), (832, 25205989), (988, 21226096), (1216, 17246203), (1976, 10613048), (3952, 5306524), (7904, 2653262), (15808, 1326631)]