20637258

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{613}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 42911232

約数和(自身を除く): 22273974

約数列:

[1, 2, 3, 6, 31, 62, 93, 181, 186, 362, 543, 613, 1086, 1226, 1839, 3678, 5611, 11222, 16833, 19003, 33666, 38006, 57009, 110953, 114018, 221906, 332859, 665718, 3439543, 6879086, 10318629, 20637258]

約数ペア:

[(1, 20637258), (2, 10318629), (3, 6879086), (6, 3439543), (31, 665718), (62, 332859), (93, 221906), (181, 114018), (186, 110953), (362, 57009), (543, 38006), (613, 33666), (1086, 19003), (1226, 16833), (1839, 11222), (3678, 5611)]