20583320

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2843}}^1$

素因数の和:3035

約数の個数: 32

約数和(自身を含む): 46584720

約数和(自身を除く): 26001400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 2843, 3620, 5686, 7240, 11372, 14215, 22744, 28430, 56860, 113720, 514583, 1029166, 2058332, 2572915, 4116664, 5145830, 10291660, 20583320]

約数ペア:

[(1, 20583320), (2, 10291660), (4, 5145830), (5, 4116664), (8, 2572915), (10, 2058332), (20, 1029166), (40, 514583), (181, 113720), (362, 56860), (724, 28430), (905, 22744), (1448, 14215), (1810, 11372), (2843, 7240), (3620, 5686)]