20561032

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 39890880

約数和(自身を除く): 19329848

約数列:

[1, 2, 4, 8, 53, 71, 106, 142, 212, 284, 424, 568, 683, 1366, 2732, 3763, 5464, 7526, 15052, 30104, 36199, 48493, 72398, 96986, 144796, 193972, 289592, 387944, 2570129, 5140258, 10280516, 20561032]

約数ペア:

[(1, 20561032), (2, 10280516), (4, 5140258), (8, 2570129), (53, 387944), (71, 289592), (106, 193972), (142, 144796), (212, 96986), (284, 72398), (424, 48493), (568, 36199), (683, 30104), (1366, 15052), (2732, 7526), (3763, 5464)]