20234480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1571}}^1$

素因数の和:1614

約数の個数: 80

約数和(自身を含む): 56139264

約数和(自身を除く): 35904784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1571, 1610, 1840, 2576, 3142, 3220, 6284, 6440, 7855, 10997, 12568, 12880, 15710, 21994, 25136, 31420, 36133, 43988, 54985, 62840, 72266, 87976, 109970, 125680, 144532, 175952, 180665, 219940, 252931, 289064, 361330, 439880, 505862, 578128, 722660, 879760, 1011724, 1264655, 1445320, 2023448, 2529310, 2890640, 4046896, 5058620, 10117240, 20234480]

約数ペア:

[(1, 20234480), (2, 10117240), (4, 5058620), (5, 4046896), (7, 2890640), (8, 2529310), (10, 2023448), (14, 1445320), (16, 1264655), (20, 1011724), (23, 879760), (28, 722660), (35, 578128), (40, 505862), (46, 439880), (56, 361330), (70, 289064), (80, 252931), (92, 219940), (112, 180665), (115, 175952), (140, 144532), (161, 125680), (184, 109970), (230, 87976), (280, 72266), (322, 62840), (368, 54985), (460, 43988), (560, 36133), (644, 31420), (805, 25136), (920, 21994), (1288, 15710), (1571, 12880), (1610, 12568), (1840, 10997), (2576, 7855), (3142, 6440), (3220, 6284)]