20160814544

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{20921}}^1$

素因数の和:21096

約数の個数: 80

約数和(自身を含む): 43475748624

約数和(自身を除く): 23314934080

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 113, 164, 208, 226, 328, 452, 533, 656, 904, 1066, 1469, 1808, 2132, 2938, 4264, 4633, 5876, 8528, 9266, 11752, 18532, 20921, 23504, 37064, 41842, 60229, 74128, 83684, 120458, 167368, 240916, 271973, 334736, 481832, 543946, 857761, 963664, 1087892, 1715522, 2175784, 2364073, 3431044, 4351568, 4728146, 6862088, 9456292, 11150893, 13724176, 18912584, 22301786, 30732949, 37825168, 44603572, 61465898, 89207144, 96926993, 122931796, 178414288, 193853986, 245863592, 387707972, 491727184, 775415944, 1260050909, 1550831888, 2520101818, 5040203636, 10080407272, 20160814544]

約数ペア:

[(1, 20160814544), (2, 10080407272), (4, 5040203636), (8, 2520101818), (13, 1550831888), (16, 1260050909), (26, 775415944), (41, 491727184), (52, 387707972), (82, 245863592), (104, 193853986), (113, 178414288), (164, 122931796), (208, 96926993), (226, 89207144), (328, 61465898), (452, 44603572), (533, 37825168), (656, 30732949), (904, 22301786), (1066, 18912584), (1469, 13724176), (1808, 11150893), (2132, 9456292), (2938, 6862088), (4264, 4728146), (4633, 4351568), (5876, 3431044), (8528, 2364073), (9266, 2175784), (11752, 1715522), (18532, 1087892), (20921, 963664), (23504, 857761), (37064, 543946), (41842, 481832), (60229, 334736), (74128, 271973), (83684, 240916), (120458, 167368)]