20430135

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 39031200

約数和(自身を除く): 18601065

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 149, 165, 277, 447, 495, 745, 831, 1341, 1385, 1639, 2235, 2493, 3047, 4155, 4917, 6705, 8195, 9141, 12465, 14751, 15235, 24585, 27423, 41273, 45705, 73755, 123819, 137115, 206365, 371457, 454003, 619095, 1362009, 1857285, 2270015, 4086027, 6810045, 20430135]

約数ペア:

[(1, 20430135), (3, 6810045), (5, 4086027), (9, 2270015), (11, 1857285), (15, 1362009), (33, 619095), (45, 454003), (55, 371457), (99, 206365), (149, 137115), (165, 123819), (277, 73755), (447, 45705), (495, 41273), (745, 27423), (831, 24585), (1341, 15235), (1385, 14751), (1639, 12465), (2235, 9141), (2493, 8195), (3047, 6705), (4155, 4917)]