20921879316

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{9511}}^1$

素因数の和:9829

約数の個数: 96

約数和(自身を含む): 53693337600

約数和(自身を除く): 32771458284

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 59, 78, 118, 156, 177, 236, 239, 354, 478, 708, 717, 767, 956, 1434, 1534, 2301, 2868, 3068, 3107, 4602, 6214, 9204, 9321, 9511, 12428, 14101, 18642, 19022, 28202, 28533, 37284, 38044, 42303, 56404, 57066, 84606, 114132, 123643, 169212, 183313, 247286, 366626, 370929, 494572, 549939, 561149, 733252, 741858, 1099878, 1122298, 1483716, 1683447, 2199756, 2244596, 2273129, 3366894, 4546258, 6733788, 6819387, 7294937, 9092516, 13638774, 14589874, 21884811, 27277548, 29179748, 29550677, 43769622, 59101354, 87539244, 88652031, 118202708, 134114611, 177304062, 268229222, 354608124, 402343833, 536458444, 804687666, 1609375332, 1743489943, 3486979886, 5230469829, 6973959772, 10460939658, 20921879316]

約数ペア:

[(1, 20921879316), (2, 10460939658), (3, 6973959772), (4, 5230469829), (6, 3486979886), (12, 1743489943), (13, 1609375332), (26, 804687666), (39, 536458444), (52, 402343833), (59, 354608124), (78, 268229222), (118, 177304062), (156, 134114611), (177, 118202708), (236, 88652031), (239, 87539244), (354, 59101354), (478, 43769622), (708, 29550677), (717, 29179748), (767, 27277548), (956, 21884811), (1434, 14589874), (1534, 13638774), (2301, 9092516), (2868, 7294937), (3068, 6819387), (3107, 6733788), (4602, 4546258), (6214, 3366894), (9204, 2273129), (9321, 2244596), (9511, 2199756), (12428, 1683447), (14101, 1483716), (18642, 1122298), (19022, 1099878), (28202, 741858), (28533, 733252), (37284, 561149), (38044, 549939), (42303, 494572), (56404, 370929), (57066, 366626), (84606, 247286), (114132, 183313), (123643, 169212)]