20969312

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:428

約数の個数: 96

約数和(自身を含む): 53625600

約数和(自身を除く): 32656288

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 224, 247, 266, 304, 364, 379, 416, 494, 532, 608, 728, 758, 988, 1064, 1456, 1516, 1729, 1976, 2128, 2653, 2912, 3032, 3458, 3952, 4256, 4927, 5306, 6064, 6916, 7201, 7904, 9854, 10612, 12128, 13832, 14402, 19708, 21224, 27664, 28804, 34489, 39416, 42448, 50407, 55328, 57608, 68978, 78832, 84896, 93613, 100814, 115216, 137956, 157664, 187226, 201628, 230432, 275912, 374452, 403256, 551824, 655291, 748904, 806512, 1103648, 1310582, 1497808, 1613024, 2621164, 2995616, 5242328, 10484656, 20969312]

約数ペア:

[(1, 20969312), (2, 10484656), (4, 5242328), (7, 2995616), (8, 2621164), (13, 1613024), (14, 1497808), (16, 1310582), (19, 1103648), (26, 806512), (28, 748904), (32, 655291), (38, 551824), (52, 403256), (56, 374452), (76, 275912), (91, 230432), (104, 201628), (112, 187226), (133, 157664), (152, 137956), (182, 115216), (208, 100814), (224, 93613), (247, 84896), (266, 78832), (304, 68978), (364, 57608), (379, 55328), (416, 50407), (494, 42448), (532, 39416), (608, 34489), (728, 28804), (758, 27664), (988, 21224), (1064, 19708), (1456, 14402), (1516, 13832), (1729, 12128), (1976, 10612), (2128, 9854), (2653, 7904), (2912, 7201), (3032, 6916), (3458, 6064), (3952, 5306), (4256, 4927)]