20366912144

素因数分解:

$2^4\times {\mathrm{40129}}^1\times {\mathrm{31721}}^1$

素因数の和:71858

約数の個数: 20

約数和(自身を含む): 39463119660

約数和(自身を除く): 19096207516

約数列:

[1, 2, 4, 8, 16, 31721, 40129, 63442, 80258, 126884, 160516, 253768, 321032, 507536, 642064, 1272932009, 2545864018, 5091728036, 10183456072, 20366912144]

約数ペア:

[(1, 20366912144), (2, 10183456072), (4, 5091728036), (8, 2545864018), (16, 1272932009), (31721, 642064), (40129, 507536), (63442, 321032), (80258, 253768), (126884, 160516)]