20234240

素因数分解:

$2^{14}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:65

約数の個数: 120

約数和(自身を含む): 55048560

約数和(自身を除く): 34814320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 256, 260, 304, 320, 380, 416, 494, 512, 520, 608, 640, 760, 832, 988, 1024, 1040, 1216, 1235, 1280, 1520, 1664, 1976, 2048, 2080, 2432, 2470, 2560, 3040, 3328, 3952, 4096, 4160, 4864, 4940, 5120, 6080, 6656, 7904, 8192, 8320, 9728, 9880, 10240, 12160, 13312, 15808, 16384, 16640, 19456, 19760, 20480, 24320, 26624, 31616, 33280, 38912, 39520, 40960, 48640, 53248, 63232, 66560, 77824, 79040, 81920, 97280, 106496, 126464, 133120, 155648, 158080, 194560, 212992, 252928, 266240, 311296, 316160, 389120, 505856, 532480, 632320, 778240, 1011712, 1064960, 1264640, 1556480, 2023424, 2529280, 4046848, 5058560, 10117120, 20234240]

約数ペア:

[(1, 20234240), (2, 10117120), (4, 5058560), (5, 4046848), (8, 2529280), (10, 2023424), (13, 1556480), (16, 1264640), (19, 1064960), (20, 1011712), (26, 778240), (32, 632320), (38, 532480), (40, 505856), (52, 389120), (64, 316160), (65, 311296), (76, 266240), (80, 252928), (95, 212992), (104, 194560), (128, 158080), (130, 155648), (152, 133120), (160, 126464), (190, 106496), (208, 97280), (247, 81920), (256, 79040), (260, 77824), (304, 66560), (320, 63232), (380, 53248), (416, 48640), (494, 40960), (512, 39520), (520, 38912), (608, 33280), (640, 31616), (760, 26624), (832, 24320), (988, 20480), (1024, 19760), (1040, 19456), (1216, 16640), (1235, 16384), (1280, 15808), (1520, 13312), (1664, 12160), (1976, 10240), (2048, 9880), (2080, 9728), (2432, 8320), (2470, 8192), (2560, 7904), (3040, 6656), (3328, 6080), (3952, 5120), (4096, 4940), (4160, 4864)]