20891343648

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4441187}}^1$

素因数の和:4441214

約数の個数: 72

約数和(自身を含む): 63793224432

約数和(自身を除く): 42901880784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4704, 4441187, 8882374, 13323561, 17764748, 26647122, 31088309, 35529496, 53294244, 62176618, 71058992, 93264927, 106588488, 124353236, 142117984, 186529854, 213176976, 217618163, 248706472, 373059708, 426353952, 435236326, 497412944, 652854489, 746119416, 870472652, 994825888, 1305708978, 1492238832, 1740945304, 2611417956, 2984477664, 3481890608, 5222835912, 6963781216, 10445671824, 20891343648]

約数ペア:

[(1, 20891343648), (2, 10445671824), (3, 6963781216), (4, 5222835912), (6, 3481890608), (7, 2984477664), (8, 2611417956), (12, 1740945304), (14, 1492238832), (16, 1305708978), (21, 994825888), (24, 870472652), (28, 746119416), (32, 652854489), (42, 497412944), (48, 435236326), (49, 426353952), (56, 373059708), (84, 248706472), (96, 217618163), (98, 213176976), (112, 186529854), (147, 142117984), (168, 124353236), (196, 106588488), (224, 93264927), (294, 71058992), (336, 62176618), (392, 53294244), (588, 35529496), (672, 31088309), (784, 26647122), (1176, 17764748), (1568, 13323561), (2352, 8882374), (4704, 4441187)]