20512134944

素因数分解:

$2^5\times 7^1\times {\mathrm{419}}^1\times {\mathrm{218549}}^1$

素因数の和:218985

約数の個数: 48

約数和(自身を含む): 46262664000

約数和(自身を除く): 25750529056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 419, 838, 1676, 2933, 3352, 5866, 6704, 11732, 13408, 23464, 46928, 93856, 218549, 437098, 874196, 1529843, 1748392, 3059686, 3496784, 6119372, 6993568, 12238744, 24477488, 48954976, 91572031, 183144062, 366288124, 641004217, 732576248, 1282008434, 1465152496, 2564016868, 2930304992, 5128033736, 10256067472, 20512134944]

約数ペア:

[(1, 20512134944), (2, 10256067472), (4, 5128033736), (7, 2930304992), (8, 2564016868), (14, 1465152496), (16, 1282008434), (28, 732576248), (32, 641004217), (56, 366288124), (112, 183144062), (224, 91572031), (419, 48954976), (838, 24477488), (1676, 12238744), (2933, 6993568), (3352, 6119372), (5866, 3496784), (6704, 3059686), (11732, 1748392), (13408, 1529843), (23464, 874196), (46928, 437098), (93856, 218549)]