20172052075

素因数分解:

$5^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1\times {\mathrm{1153}}^1$

素因数の和:1816

約数の個数: 48

約数和(自身を含む): 28796639040

約数和(自身を除く): 8624586965

約数列:

[1, 5, 7, 25, 35, 175, 257, 389, 1153, 1285, 1799, 1945, 2723, 5765, 6425, 8071, 8995, 9725, 13615, 28825, 40355, 44975, 68075, 99973, 201775, 296321, 448517, 499865, 699811, 1481605, 2074247, 2242585, 2499325, 3139619, 3499055, 7408025, 10371235, 11212925, 15698095, 17495275, 51856175, 78490475, 115268869, 576344345, 806882083, 2881721725, 4034410415, 20172052075]

約数ペア:

[(1, 20172052075), (5, 4034410415), (7, 2881721725), (25, 806882083), (35, 576344345), (175, 115268869), (257, 78490475), (389, 51856175), (1153, 17495275), (1285, 15698095), (1799, 11212925), (1945, 10371235), (2723, 7408025), (5765, 3499055), (6425, 3139619), (8071, 2499325), (8995, 2242585), (9725, 2074247), (13615, 1481605), (28825, 699811), (40355, 499865), (44975, 448517), (68075, 296321), (99973, 201775)]