20125920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1823}}^1$

素因数の和:1864

約数の個数: 96

約数和(自身を含む): 66189312

約数和(自身を除く): 46063392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 345, 368, 460, 480, 552, 690, 736, 920, 1104, 1380, 1823, 1840, 2208, 2760, 3646, 3680, 5469, 5520, 7292, 9115, 10938, 11040, 14584, 18230, 21876, 27345, 29168, 36460, 41929, 43752, 54690, 58336, 72920, 83858, 87504, 109380, 125787, 145840, 167716, 175008, 209645, 218760, 251574, 291680, 335432, 419290, 437520, 503148, 628935, 670864, 838580, 875040, 1006296, 1257870, 1341728, 1677160, 2012592, 2515740, 3354320, 4025184, 5031480, 6708640, 10062960, 20125920]

約数ペア:

[(1, 20125920), (2, 10062960), (3, 6708640), (4, 5031480), (5, 4025184), (6, 3354320), (8, 2515740), (10, 2012592), (12, 1677160), (15, 1341728), (16, 1257870), (20, 1006296), (23, 875040), (24, 838580), (30, 670864), (32, 628935), (40, 503148), (46, 437520), (48, 419290), (60, 335432), (69, 291680), (80, 251574), (92, 218760), (96, 209645), (115, 175008), (120, 167716), (138, 145840), (160, 125787), (184, 109380), (230, 87504), (240, 83858), (276, 72920), (345, 58336), (368, 54690), (460, 43752), (480, 41929), (552, 36460), (690, 29168), (736, 27345), (920, 21876), (1104, 18230), (1380, 14584), (1823, 11040), (1840, 10938), (2208, 9115), (2760, 7292), (3646, 5520), (3680, 5469)]