20255300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15581}}^1$

素因数の和:15608

約数の個数: 36

約数和(自身を含む): 47338116

約数和(自身を除く): 27082816

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15581, 31162, 62324, 77905, 155810, 202553, 311620, 389525, 405106, 779050, 810212, 1012765, 1558100, 2025530, 4051060, 5063825, 10127650, 20255300]

約数ペア:

[(1, 20255300), (2, 10127650), (4, 5063825), (5, 4051060), (10, 2025530), (13, 1558100), (20, 1012765), (25, 810212), (26, 779050), (50, 405106), (52, 389525), (65, 311620), (100, 202553), (130, 155810), (260, 77905), (325, 62324), (650, 31162), (1300, 15581)]