20319060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1871}}^1$

素因数の和:2064

約数の個数: 48

約数和(自身を含む): 57238272

約数和(自身を除く): 36919212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 362, 543, 724, 905, 1086, 1810, 1871, 2172, 2715, 3620, 3742, 5430, 5613, 7484, 9355, 10860, 11226, 18710, 22452, 28065, 37420, 56130, 112260, 338651, 677302, 1015953, 1354604, 1693255, 2031906, 3386510, 4063812, 5079765, 6773020, 10159530, 20319060]

約数ペア:

[(1, 20319060), (2, 10159530), (3, 6773020), (4, 5079765), (5, 4063812), (6, 3386510), (10, 2031906), (12, 1693255), (15, 1354604), (20, 1015953), (30, 677302), (60, 338651), (181, 112260), (362, 56130), (543, 37420), (724, 28065), (905, 22452), (1086, 18710), (1810, 11226), (1871, 10860), (2172, 9355), (2715, 7484), (3620, 5613), (3742, 5430)]