20397411840

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{204301}}^1$

素因数の和:204340

約数の個数: 160

約数和(自身を含む): 70224317856

約数和(自身を除く): 49826906016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 512, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1536, 1560, 1664, 1920, 2080, 2496, 2560, 3120, 3328, 3840, 4160, 4992, 6240, 6656, 7680, 8320, 9984, 12480, 16640, 19968, 24960, 33280, 49920, 99840, 204301, 408602, 612903, 817204, 1021505, 1225806, 1634408, 2043010, 2451612, 2655913, 3064515, 3268816, 4086020, 4903224, 5311826, 6129030, 6537632, 7967739, 8172040, 9806448, 10623652, 12258060, 13075264, 13279565, 15935478, 16344080, 19612896, 21247304, 24516120, 26150528, 26559130, 31870956, 32688160, 39225792, 39838695, 42494608, 49032240, 52301056, 53118260, 63741912, 65376320, 78451584, 79677390, 84989216, 98064480, 104602112, 106236520, 127483824, 130752640, 156903168, 159354780, 169978432, 196128960, 212473040, 254967648, 261505280, 313806336, 318709560, 339956864, 392257920, 424946080, 509935296, 523010560, 637419120, 679913728, 784515840, 849892160, 1019870592, 1274838240, 1359827456, 1569031680, 1699784320, 2039741184, 2549676480, 3399568640, 4079482368, 5099352960, 6799137280, 10198705920, 20397411840]

約数ペア:

[(1, 20397411840), (2, 10198705920), (3, 6799137280), (4, 5099352960), (5, 4079482368), (6, 3399568640), (8, 2549676480), (10, 2039741184), (12, 1699784320), (13, 1569031680), (15, 1359827456), (16, 1274838240), (20, 1019870592), (24, 849892160), (26, 784515840), (30, 679913728), (32, 637419120), (39, 523010560), (40, 509935296), (48, 424946080), (52, 392257920), (60, 339956864), (64, 318709560), (65, 313806336), (78, 261505280), (80, 254967648), (96, 212473040), (104, 196128960), (120, 169978432), (128, 159354780), (130, 156903168), (156, 130752640), (160, 127483824), (192, 106236520), (195, 104602112), (208, 98064480), (240, 84989216), (256, 79677390), (260, 78451584), (312, 65376320), (320, 63741912), (384, 53118260), (390, 52301056), (416, 49032240), (480, 42494608), (512, 39838695), (520, 39225792), (624, 32688160), (640, 31870956), (768, 26559130), (780, 26150528), (832, 24516120), (960, 21247304), (1040, 19612896), (1248, 16344080), (1280, 15935478), (1536, 13279565), (1560, 13075264), (1664, 12258060), (1920, 10623652), (2080, 9806448), (2496, 8172040), (2560, 7967739), (3120, 6537632), (3328, 6129030), (3840, 5311826), (4160, 4903224), (4992, 4086020), (6240, 3268816), (6656, 3064515), (7680, 2655913), (8320, 2451612), (9984, 2043010), (12480, 1634408), (16640, 1225806), (19968, 1021505), (24960, 817204), (33280, 612903), (49920, 408602), (99840, 204301)]