20165155215

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{2671}}^1$

素因数の和:3000

約数の個数: 64

約数和(自身を含む): 33843167232

約数和(自身を除く): 13678012017

約数列:

[1, 3, 5, 15, 37, 61, 111, 183, 185, 223, 305, 555, 669, 915, 1115, 2257, 2671, 3345, 6771, 8013, 8251, 11285, 13355, 13603, 24753, 33855, 40065, 40809, 41255, 68015, 98827, 123765, 162931, 204045, 296481, 488793, 494135, 503311, 595633, 814655, 1482405, 1509933, 1786899, 2443965, 2516555, 2978165, 6028447, 7549665, 8934495, 18085341, 22038421, 30142235, 36333613, 66115263, 90426705, 109000839, 110192105, 181668065, 330576315, 545004195, 1344343681, 4033031043, 6721718405, 20165155215]

約数ペア:

[(1, 20165155215), (3, 6721718405), (5, 4033031043), (15, 1344343681), (37, 545004195), (61, 330576315), (111, 181668065), (183, 110192105), (185, 109000839), (223, 90426705), (305, 66115263), (555, 36333613), (669, 30142235), (915, 22038421), (1115, 18085341), (2257, 8934495), (2671, 7549665), (3345, 6028447), (6771, 2978165), (8013, 2516555), (8251, 2443965), (11285, 1786899), (13355, 1509933), (13603, 1482405), (24753, 814655), (33855, 595633), (40065, 503311), (40809, 494135), (41255, 488793), (68015, 296481), (98827, 204045), (123765, 162931)]