20565690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5233}}^1$

素因数の和:5374

約数の個数: 32

約数和(自身を含む): 49743936

約数和(自身を除く): 29178246

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 5233, 10466, 15699, 26165, 31398, 52330, 78495, 156990, 685523, 1371046, 2056569, 3427615, 4113138, 6855230, 10282845, 20565690]

約数ペア:

[(1, 20565690), (2, 10282845), (3, 6855230), (5, 4113138), (6, 3427615), (10, 2056569), (15, 1371046), (30, 685523), (131, 156990), (262, 78495), (393, 52330), (655, 31398), (786, 26165), (1310, 15699), (1965, 10466), (3930, 5233)]