20717339968

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{773}}^1\times {\mathrm{32213}}^1$

素因数の和:33011

約数の個数: 56

約数和(自身を含む): 44332004808

約数和(自身を除く): 23614664840

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 773, 832, 1546, 3092, 6184, 10049, 12368, 20098, 24736, 32213, 40196, 49472, 64426, 80392, 128852, 160784, 257704, 321568, 418769, 515408, 643136, 837538, 1030816, 1675076, 2061632, 3350152, 6700304, 13400608, 24900649, 26801216, 49801298, 99602596, 199205192, 323708437, 398410384, 647416874, 796820768, 1294833748, 1593641536, 2589667496, 5179334992, 10358669984, 20717339968]

約数ペア:

[(1, 20717339968), (2, 10358669984), (4, 5179334992), (8, 2589667496), (13, 1593641536), (16, 1294833748), (26, 796820768), (32, 647416874), (52, 398410384), (64, 323708437), (104, 199205192), (208, 99602596), (416, 49801298), (773, 26801216), (832, 24900649), (1546, 13400608), (3092, 6700304), (6184, 3350152), (10049, 2061632), (12368, 1675076), (20098, 1030816), (24736, 837538), (32213, 643136), (40196, 515408), (49472, 418769), (64426, 321568), (80392, 257704), (128852, 160784)]