20273715

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5851}}^1$

素因数の和:5880

約数の個数: 48

約数和(自身を含む): 43819776

約数和(自身を除く): 23546061

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 5851, 17553, 29255, 40957, 52659, 64361, 87765, 122871, 193083, 204785, 263295, 321805, 368613, 450527, 579249, 614355, 965415, 1351581, 1843065, 2252635, 2896245, 4054743, 6757905, 20273715]

約数ペア:

[(1, 20273715), (3, 6757905), (5, 4054743), (7, 2896245), (9, 2252635), (11, 1843065), (15, 1351581), (21, 965415), (33, 614355), (35, 579249), (45, 450527), (55, 368613), (63, 321805), (77, 263295), (99, 204785), (105, 193083), (165, 122871), (231, 87765), (315, 64361), (385, 52659), (495, 40957), (693, 29255), (1155, 17553), (3465, 5851)]