20726490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1321}}^1$

素因数の和:1854

約数の個数: 32

約数和(自身を含む): 49876416

約数和(自身を除く): 29149926

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 523, 1046, 1321, 1569, 2615, 2642, 3138, 3963, 5230, 6605, 7845, 7926, 13210, 15690, 19815, 39630, 690883, 1381766, 2072649, 3454415, 4145298, 6908830, 10363245, 20726490]

約数ペア:

[(1, 20726490), (2, 10363245), (3, 6908830), (5, 4145298), (6, 3454415), (10, 2072649), (15, 1381766), (30, 690883), (523, 39630), (1046, 19815), (1321, 15690), (1569, 13210), (2615, 7926), (2642, 7845), (3138, 6605), (3963, 5230)]