20020072

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{131711}}^1$

素因数の和:131736

約数の個数: 16

約数和(自身を含む): 39513600

約数和(自身を除く): 19493528

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 131711, 263422, 526844, 1053688, 2502509, 5005018, 10010036, 20020072]

約数ペア:

[(1, 20020072), (2, 10010036), (4, 5005018), (8, 2502509), (19, 1053688), (38, 526844), (76, 263422), (152, 131711)]