20688728535

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1\times {\mathrm{12757}}^1$

素因数の和:13105

約数の個数: 64

約数和(自身を含む): 37808588160

約数和(自身を除く): 17119859625

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 293, 369, 615, 879, 1107, 1465, 1845, 2637, 4395, 5535, 7911, 12013, 12757, 13185, 36039, 38271, 39555, 60065, 63785, 108117, 114813, 180195, 191355, 324351, 344439, 523037, 540585, 574065, 1569111, 1621755, 1722195, 2615185, 3737801, 4707333, 7845555, 11213403, 14121999, 18689005, 23536665, 33640209, 56067015, 70609995, 100920627, 153249841, 168201045, 459749523, 504603135, 766249205, 1379248569, 2298747615, 4137745707, 6896242845, 20688728535]

約数ペア:

[(1, 20688728535), (3, 6896242845), (5, 4137745707), (9, 2298747615), (15, 1379248569), (27, 766249205), (41, 504603135), (45, 459749523), (123, 168201045), (135, 153249841), (205, 100920627), (293, 70609995), (369, 56067015), (615, 33640209), (879, 23536665), (1107, 18689005), (1465, 14121999), (1845, 11213403), (2637, 7845555), (4395, 4707333), (5535, 3737801), (7911, 2615185), (12013, 1722195), (12757, 1621755), (13185, 1569111), (36039, 574065), (38271, 540585), (39555, 523037), (60065, 344439), (63785, 324351), (108117, 191355), (114813, 180195)]