20890464

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4441}}^1$

素因数の和:4468

約数の個数: 72

約数和(自身を含む): 63804888

約数和(自身を除く): 42914424

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, 4441, 4704, 8882, 13323, 17764, 26646, 31087, 35528, 53292, 62174, 71056, 93261, 106584, 124348, 142112, 186522, 213168, 217609, 248696, 373044, 426336, 435218, 497392, 652827, 746088, 870436, 994784, 1305654, 1492176, 1740872, 2611308, 2984352, 3481744, 5222616, 6963488, 10445232, 20890464]

約数ペア:

[(1, 20890464), (2, 10445232), (3, 6963488), (4, 5222616), (6, 3481744), (7, 2984352), (8, 2611308), (12, 1740872), (14, 1492176), (16, 1305654), (21, 994784), (24, 870436), (28, 746088), (32, 652827), (42, 497392), (48, 435218), (49, 426336), (56, 373044), (84, 248696), (96, 217609), (98, 213168), (112, 186522), (147, 142112), (168, 124348), (196, 106584), (224, 93261), (294, 71056), (336, 62174), (392, 53292), (588, 35528), (672, 31087), (784, 26646), (1176, 17764), (1568, 13323), (2352, 8882), (4441, 4704)]