20211594080

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{189389}}^1$

素因数の和:189456

約数の個数: 96

約数和(自身を含む): 51544382400

約数和(自身を除く): 31332788320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 32, 40, 46, 58, 80, 92, 115, 116, 145, 160, 184, 230, 232, 290, 368, 460, 464, 580, 667, 736, 920, 928, 1160, 1334, 1840, 2320, 2668, 3335, 3680, 4640, 5336, 6670, 10672, 13340, 21344, 26680, 53360, 106720, 189389, 378778, 757556, 946945, 1515112, 1893890, 3030224, 3787780, 4355947, 5492281, 6060448, 7575560, 8711894, 10984562, 15151120, 17423788, 21779735, 21969124, 27461405, 30302240, 34847576, 43559470, 43938248, 54922810, 69695152, 87118940, 87876496, 109845620, 126322463, 139390304, 174237880, 175752992, 219691240, 252644926, 348475760, 439382480, 505289852, 631612315, 696951520, 878764960, 1010579704, 1263224630, 2021159408, 2526449260, 4042318816, 5052898520, 10105797040, 20211594080]

約数ペア:

[(1, 20211594080), (2, 10105797040), (4, 5052898520), (5, 4042318816), (8, 2526449260), (10, 2021159408), (16, 1263224630), (20, 1010579704), (23, 878764960), (29, 696951520), (32, 631612315), (40, 505289852), (46, 439382480), (58, 348475760), (80, 252644926), (92, 219691240), (115, 175752992), (116, 174237880), (145, 139390304), (160, 126322463), (184, 109845620), (230, 87876496), (232, 87118940), (290, 69695152), (368, 54922810), (460, 43938248), (464, 43559470), (580, 34847576), (667, 30302240), (736, 27461405), (920, 21969124), (928, 21779735), (1160, 17423788), (1334, 15151120), (1840, 10984562), (2320, 8711894), (2668, 7575560), (3335, 6060448), (3680, 5492281), (4640, 4355947), (5336, 3787780), (6670, 3030224), (10672, 1893890), (13340, 1515112), (21344, 946945), (26680, 757556), (53360, 378778), (106720, 189389)]