20189863312

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1\times {\mathrm{1721}}^1$

素因数の和:2272

約数の個数: 80

約数和(自身を含む): 41509843200

約数和(自身を除く): 21319979888

約数列:

[1, 2, 4, 8, 16, 23, 46, 71, 92, 142, 184, 284, 368, 449, 568, 898, 1136, 1633, 1721, 1796, 3266, 3442, 3592, 6532, 6884, 7184, 10327, 13064, 13768, 20654, 26128, 27536, 31879, 39583, 41308, 63758, 79166, 82616, 122191, 127516, 158332, 165232, 244382, 255032, 316664, 488764, 510064, 633328, 733217, 772729, 977528, 1466434, 1545458, 1955056, 2810393, 2932868, 3090916, 5620786, 5865736, 6181832, 11241572, 11731472, 12363664, 17772767, 22483144, 35545534, 44966288, 54863759, 71091068, 109727518, 142182136, 219455036, 284364272, 438910072, 877820144, 1261866457, 2523732914, 5047465828, 10094931656, 20189863312]

約数ペア:

[(1, 20189863312), (2, 10094931656), (4, 5047465828), (8, 2523732914), (16, 1261866457), (23, 877820144), (46, 438910072), (71, 284364272), (92, 219455036), (142, 142182136), (184, 109727518), (284, 71091068), (368, 54863759), (449, 44966288), (568, 35545534), (898, 22483144), (1136, 17772767), (1633, 12363664), (1721, 11731472), (1796, 11241572), (3266, 6181832), (3442, 5865736), (3592, 5620786), (6532, 3090916), (6884, 2932868), (7184, 2810393), (10327, 1955056), (13064, 1545458), (13768, 1466434), (20654, 977528), (26128, 772729), (27536, 733217), (31879, 633328), (39583, 510064), (41308, 488764), (63758, 316664), (79166, 255032), (82616, 244382), (122191, 165232), (127516, 158332)]