20523146752

素因数分解:

$2^9\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:920

約数の個数: 120

約数和(自身を含む): 43225981128

約数和(自身を除く): 22702834376

約数列:

[1, 2, 4, 8, 16, 31, 32, 53, 62, 64, 106, 124, 128, 212, 248, 256, 424, 496, 512, 787, 848, 961, 992, 1574, 1643, 1696, 1922, 1984, 3148, 3286, 3392, 3844, 3968, 6296, 6572, 6784, 7688, 7936, 12592, 13144, 13568, 15376, 15872, 24397, 25184, 26288, 27136, 30752, 41711, 48794, 50368, 50933, 52576, 61504, 83422, 97588, 100736, 101866, 105152, 123008, 166844, 195176, 201472, 203732, 210304, 246016, 333688, 390352, 402944, 407464, 420608, 492032, 667376, 756307, 780704, 814928, 841216, 1293041, 1334752, 1512614, 1561408, 1629856, 2586082, 2669504, 3025228, 3122816, 3259712, 5172164, 5339008, 6050456, 6245632, 6519424, 10344328, 10678016, 12100912, 12491264, 13038848, 20688656, 21356032, 24201824, 26077696, 40084271, 41377312, 48403648, 80168542, 82754624, 96807296, 160337084, 165509248, 193614592, 320674168, 331018496, 387229184, 641348336, 662036992, 1282696672, 2565393344, 5130786688, 10261573376, 20523146752]

約数ペア:

[(1, 20523146752), (2, 10261573376), (4, 5130786688), (8, 2565393344), (16, 1282696672), (31, 662036992), (32, 641348336), (53, 387229184), (62, 331018496), (64, 320674168), (106, 193614592), (124, 165509248), (128, 160337084), (212, 96807296), (248, 82754624), (256, 80168542), (424, 48403648), (496, 41377312), (512, 40084271), (787, 26077696), (848, 24201824), (961, 21356032), (992, 20688656), (1574, 13038848), (1643, 12491264), (1696, 12100912), (1922, 10678016), (1984, 10344328), (3148, 6519424), (3286, 6245632), (3392, 6050456), (3844, 5339008), (3968, 5172164), (6296, 3259712), (6572, 3122816), (6784, 3025228), (7688, 2669504), (7936, 2586082), (12592, 1629856), (13144, 1561408), (13568, 1512614), (15376, 1334752), (15872, 1293041), (24397, 841216), (25184, 814928), (26288, 780704), (27136, 756307), (30752, 667376), (41711, 492032), (48794, 420608), (50368, 407464), (50933, 402944), (52576, 390352), (61504, 333688), (83422, 246016), (97588, 210304), (100736, 203732), (101866, 201472), (105152, 195176), (123008, 166844)]