20896356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 56448000

約数和(自身を除く): 35551644

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 31, 39, 52, 58, 62, 78, 87, 93, 116, 124, 149, 156, 174, 186, 298, 348, 372, 377, 403, 447, 596, 754, 806, 894, 899, 1131, 1209, 1508, 1612, 1788, 1798, 1937, 2262, 2418, 2697, 3596, 3874, 4321, 4524, 4619, 4836, 5394, 5811, 7748, 8642, 9238, 10788, 11622, 11687, 12963, 13857, 17284, 18476, 23244, 23374, 25926, 27714, 35061, 46748, 51852, 55428, 56173, 60047, 70122, 112346, 120094, 133951, 140244, 168519, 180141, 224692, 240188, 267902, 337038, 360282, 401853, 535804, 674076, 720564, 803706, 1607412, 1741363, 3482726, 5224089, 6965452, 10448178, 20896356]

約数ペア:

[(1, 20896356), (2, 10448178), (3, 6965452), (4, 5224089), (6, 3482726), (12, 1741363), (13, 1607412), (26, 803706), (29, 720564), (31, 674076), (39, 535804), (52, 401853), (58, 360282), (62, 337038), (78, 267902), (87, 240188), (93, 224692), (116, 180141), (124, 168519), (149, 140244), (156, 133951), (174, 120094), (186, 112346), (298, 70122), (348, 60047), (372, 56173), (377, 55428), (403, 51852), (447, 46748), (596, 35061), (754, 27714), (806, 25926), (894, 23374), (899, 23244), (1131, 18476), (1209, 17284), (1508, 13857), (1612, 12963), (1788, 11687), (1798, 11622), (1937, 10788), (2262, 9238), (2418, 8642), (2697, 7748), (3596, 5811), (3874, 5394), (4321, 4836), (4524, 4619)]