20802018412

素因数分解:

$2^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{1277}}^1$

素因数の和:1716

約数の個数: 96

約数和(自身を含む): 43971379200

約数和(自身を除く): 23169360788

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 343, 383, 434, 686, 766, 868, 1277, 1372, 1519, 1532, 2554, 2681, 3038, 5108, 5362, 6076, 8939, 10633, 10724, 11873, 17878, 18767, 21266, 23746, 35756, 37534, 39587, 42532, 47492, 62573, 75068, 79174, 83111, 125146, 131369, 158348, 166222, 250292, 262738, 277109, 332444, 438011, 489091, 525476, 554218, 581777, 876022, 978182, 1108436, 1163554, 1752044, 1939763, 1956364, 2327108, 3423637, 3879526, 4072439, 6847274, 7759052, 8144878, 13578341, 13694548, 15161821, 16289756, 23965459, 27156682, 30323642, 47930918, 54313364, 60647284, 95861836, 106132747, 167758213, 212265494, 335516426, 424530988, 671032852, 742929229, 1485858458, 2971716916, 5200504603, 10401009206, 20802018412]

約数ペア:

[(1, 20802018412), (2, 10401009206), (4, 5200504603), (7, 2971716916), (14, 1485858458), (28, 742929229), (31, 671032852), (49, 424530988), (62, 335516426), (98, 212265494), (124, 167758213), (196, 106132747), (217, 95861836), (343, 60647284), (383, 54313364), (434, 47930918), (686, 30323642), (766, 27156682), (868, 23965459), (1277, 16289756), (1372, 15161821), (1519, 13694548), (1532, 13578341), (2554, 8144878), (2681, 7759052), (3038, 6847274), (5108, 4072439), (5362, 3879526), (6076, 3423637), (8939, 2327108), (10633, 1956364), (10724, 1939763), (11873, 1752044), (17878, 1163554), (18767, 1108436), (21266, 978182), (23746, 876022), (35756, 581777), (37534, 554218), (39587, 525476), (42532, 489091), (47492, 438011), (62573, 332444), (75068, 277109), (79174, 262738), (83111, 250292), (125146, 166222), (131369, 158348)]