20795502.000000000

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24359}}^1$

素因数の和:24408

約数の個数: 80

約数和(自身を含む): 773283840

約数和(自身を除く): 519560496

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 744, 868, 1302, 1488, 1736, 2604, 3472, 5208, 10416, 24359, 48718, 73077, 97436, 146154, 170513, 194872, 292308, 341026, 389744, 511539, 584616, 682052, 755129, 1023078, 1169232, 1364104, 1510258, 2046156, 2265387, 2728208, 3020516, 4092312, 4530774, 5285903, 6041032, 8184624, 9061548, 10571806, 12082064, 15857709, 18123096, 21143612, 31715418, 36246192, 42287224, 63430836, 84574448, 126861672, 253723344]

約数ペア:

[(1, 253723344), (2, 126861672), (3, 84574448), (4, 63430836), (6, 42287224), (7, 36246192), (8, 31715418), (12, 21143612), (14, 18123096), (16, 15857709), (21, 12082064), (24, 10571806), (28, 9061548), (31, 8184624), (42, 6041032), (48, 5285903), (56, 4530774), (62, 4092312), (84, 3020516), (93, 2728208), (112, 2265387), (124, 2046156), (168, 1510258), (186, 1364104), (217, 1169232), (248, 1023078), (336, 755129), (372, 682052), (434, 584616), (496, 511539), (651, 389744), (744, 341026), (868, 292308), (1302, 194872), (1488, 170513), (1736, 146154), (2604, 97436), (3472, 73077), (5208, 48718), (10416, 24359)]