20174749

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{149}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 25084800

約数和(自身を除く): 4910051

約数列:

[1, 7, 23, 29, 149, 161, 203, 667, 841, 1043, 3427, 4321, 4669, 5887, 19343, 23989, 30247, 99383, 125309, 135401, 695681, 877163, 2882107, 20174749]

約数ペア:

[(1, 20174749), (7, 2882107), (23, 877163), (29, 695681), (149, 135401), (161, 125309), (203, 99383), (667, 30247), (841, 23989), (1043, 19343), (3427, 5887), (4321, 4669)]