20174789888

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{2297}}^1\times {\mathrm{3119}}^1$

素因数の和:5443

約数の個数: 72

約数和(自身を含む): 43964968320

約数和(自身を除く): 23790178432

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 704, 1408, 2297, 2816, 3119, 4594, 6238, 9188, 12476, 18376, 24952, 25267, 34309, 36752, 49904, 50534, 68618, 73504, 99808, 101068, 137236, 147008, 199616, 202136, 274472, 294016, 399232, 404272, 548944, 588032, 798464, 808544, 1097888, 1617088, 2195776, 3234176, 4391552, 6468352, 7164343, 8783104, 14328686, 28657372, 57314744, 78807773, 114629488, 157615546, 229258976, 315231092, 458517952, 630462184, 917035904, 1260924368, 1834071808, 2521848736, 5043697472, 10087394944, 20174789888]

約数ペア:

[(1, 20174789888), (2, 10087394944), (4, 5043697472), (8, 2521848736), (11, 1834071808), (16, 1260924368), (22, 917035904), (32, 630462184), (44, 458517952), (64, 315231092), (88, 229258976), (128, 157615546), (176, 114629488), (256, 78807773), (352, 57314744), (704, 28657372), (1408, 14328686), (2297, 8783104), (2816, 7164343), (3119, 6468352), (4594, 4391552), (6238, 3234176), (9188, 2195776), (12476, 1617088), (18376, 1097888), (24952, 808544), (25267, 798464), (34309, 588032), (36752, 548944), (49904, 404272), (50534, 399232), (68618, 294016), (73504, 274472), (99808, 202136), (101068, 199616), (137236, 147008)]