20454078

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 42083712

約数和(自身を除く): 21629634

約数列:

[1, 2, 3, 6, 53, 106, 131, 159, 262, 318, 393, 491, 786, 982, 1473, 2946, 6943, 13886, 20829, 26023, 41658, 52046, 64321, 78069, 128642, 156138, 192963, 385926, 3409013, 6818026, 10227039, 20454078]

約数ペア:

[(1, 20454078), (2, 10227039), (3, 6818026), (6, 3409013), (53, 385926), (106, 192963), (131, 156138), (159, 128642), (262, 78069), (318, 64321), (393, 52046), (491, 41658), (786, 26023), (982, 20829), (1473, 13886), (2946, 6943)]