20392770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5189}}^1$

素因数の和:5330

約数の個数: 32

約数和(自身を含む): 49325760

約数和(自身を除く): 28932990

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 5189, 10378, 15567, 25945, 31134, 51890, 77835, 155670, 679759, 1359518, 2039277, 3398795, 4078554, 6797590, 10196385, 20392770]

約数ペア:

[(1, 20392770), (2, 10196385), (3, 6797590), (5, 4078554), (6, 3398795), (10, 2039277), (15, 1359518), (30, 679759), (131, 155670), (262, 77835), (393, 51890), (655, 31134), (786, 25945), (1310, 15567), (1965, 10378), (3930, 5189)]