20332838

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:284

約数の個数: 24

約数和(自身を含む): 32173200

約数和(自身を除く): 11840362

約数列:

[1, 2, 31, 62, 71, 142, 149, 298, 961, 1922, 2201, 4402, 4619, 9238, 10579, 21158, 68231, 136462, 143189, 286378, 327949, 655898, 10166419, 20332838]

約数ペア:

[(1, 20332838), (2, 10166419), (31, 655898), (62, 327949), (71, 286378), (142, 143189), (149, 136462), (298, 68231), (961, 21158), (1922, 10579), (2201, 9238), (4402, 4619)]