20496255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1181}}^1$

素因数の和:1291

約数の個数: 32

約数和(自身を含む): 35743680

約数和(自身を除く): 15247425

約数列:

[1, 3, 5, 13, 15, 39, 65, 89, 195, 267, 445, 1157, 1181, 1335, 3471, 3543, 5785, 5905, 15353, 17355, 17715, 46059, 76765, 105109, 230295, 315327, 525545, 1366417, 1576635, 4099251, 6832085, 20496255]

約数ペア:

[(1, 20496255), (3, 6832085), (5, 4099251), (13, 1576635), (15, 1366417), (39, 525545), (65, 315327), (89, 230295), (195, 105109), (267, 76765), (445, 46059), (1157, 17715), (1181, 17355), (1335, 15353), (3471, 5905), (3543, 5785)]