20994630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30427}}^1$

素因数の和:30460

約数の個数: 32

約数和(自身を含む): 52579584

約数和(自身を除く): 31584954

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 30427, 60854, 91281, 152135, 182562, 304270, 456405, 699821, 912810, 1399642, 2099463, 3499105, 4198926, 6998210, 10497315, 20994630]

約数ペア:

[(1, 20994630), (2, 10497315), (3, 6998210), (5, 4198926), (6, 3499105), (10, 2099463), (15, 1399642), (23, 912810), (30, 699821), (46, 456405), (69, 304270), (115, 182562), (138, 152135), (230, 91281), (345, 60854), (690, 30427)]