20438835

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59243}}^1$

素因数の和:59274

約数の個数: 16

約数和(自身を含む): 34124544

約数和(自身を除く): 13685709

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 59243, 177729, 296215, 888645, 1362589, 4087767, 6812945, 20438835]

約数ペア:

[(1, 20438835), (3, 6812945), (5, 4087767), (15, 1362589), (23, 888645), (69, 296215), (115, 177729), (345, 59243)]