20793709376

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{331871}}^1$

素因数の和:331983

約数の個数: 56

約数和(自身を含む): 45519563520

約数和(自身を除く): 24725854144

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 89, 176, 178, 352, 356, 704, 712, 979, 1424, 1958, 2848, 3916, 5696, 7832, 15664, 31328, 62656, 331871, 663742, 1327484, 2654968, 3650581, 5309936, 7301162, 10619872, 14602324, 21239744, 29204648, 29536519, 58409296, 59073038, 116818592, 118146076, 233637184, 236292152, 324901709, 472584304, 649803418, 945168608, 1299606836, 1890337216, 2599213672, 5198427344, 10396854688, 20793709376]

約数ペア:

[(1, 20793709376), (2, 10396854688), (4, 5198427344), (8, 2599213672), (11, 1890337216), (16, 1299606836), (22, 945168608), (32, 649803418), (44, 472584304), (64, 324901709), (88, 236292152), (89, 233637184), (176, 118146076), (178, 116818592), (352, 59073038), (356, 58409296), (704, 29536519), (712, 29204648), (979, 21239744), (1424, 14602324), (1958, 10619872), (2848, 7301162), (3916, 5309936), (5696, 3650581), (7832, 2654968), (15664, 1327484), (31328, 663742), (62656, 331871)]