20596960

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 52799040

約数和(自身を除く): 32202080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 32, 40, 46, 58, 80, 92, 115, 116, 145, 160, 184, 193, 230, 232, 290, 368, 386, 460, 464, 580, 667, 736, 772, 920, 928, 965, 1160, 1334, 1544, 1840, 1930, 2320, 2668, 3088, 3335, 3680, 3860, 4439, 4640, 5336, 5597, 6176, 6670, 7720, 8878, 10672, 11194, 13340, 15440, 17756, 21344, 22195, 22388, 26680, 27985, 30880, 35512, 44390, 44776, 53360, 55970, 71024, 88780, 89552, 106720, 111940, 128731, 142048, 177560, 179104, 223880, 257462, 355120, 447760, 514924, 643655, 710240, 895520, 1029848, 1287310, 2059696, 2574620, 4119392, 5149240, 10298480, 20596960]

約数ペア:

[(1, 20596960), (2, 10298480), (4, 5149240), (5, 4119392), (8, 2574620), (10, 2059696), (16, 1287310), (20, 1029848), (23, 895520), (29, 710240), (32, 643655), (40, 514924), (46, 447760), (58, 355120), (80, 257462), (92, 223880), (115, 179104), (116, 177560), (145, 142048), (160, 128731), (184, 111940), (193, 106720), (230, 89552), (232, 88780), (290, 71024), (368, 55970), (386, 53360), (460, 44776), (464, 44390), (580, 35512), (667, 30880), (736, 27985), (772, 26680), (920, 22388), (928, 22195), (965, 21344), (1160, 17756), (1334, 15440), (1544, 13340), (1840, 11194), (1930, 10672), (2320, 8878), (2668, 7720), (3088, 6670), (3335, 6176), (3680, 5597), (3860, 5336), (4439, 4640)]