20961216

素因数分解:

$2^6\times 3^2\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:410

約数の個数: 84

約数和(自身を含む): 60730384

約数和(自身を除く): 39769168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 151, 192, 241, 288, 302, 453, 482, 576, 604, 723, 906, 964, 1208, 1359, 1446, 1812, 1928, 2169, 2416, 2718, 2892, 3624, 3856, 4338, 4832, 5436, 5784, 7248, 7712, 8676, 9664, 10872, 11568, 14496, 15424, 17352, 21744, 23136, 28992, 34704, 36391, 43488, 46272, 69408, 72782, 86976, 109173, 138816, 145564, 218346, 291128, 327519, 436692, 582256, 655038, 873384, 1164512, 1310076, 1746768, 2329024, 2620152, 3493536, 5240304, 6987072, 10480608, 20961216]

約数ペア:

[(1, 20961216), (2, 10480608), (3, 6987072), (4, 5240304), (6, 3493536), (8, 2620152), (9, 2329024), (12, 1746768), (16, 1310076), (18, 1164512), (24, 873384), (32, 655038), (36, 582256), (48, 436692), (64, 327519), (72, 291128), (96, 218346), (144, 145564), (151, 138816), (192, 109173), (241, 86976), (288, 72782), (302, 69408), (453, 46272), (482, 43488), (576, 36391), (604, 34704), (723, 28992), (906, 23136), (964, 21744), (1208, 17352), (1359, 15424), (1446, 14496), (1812, 11568), (1928, 10872), (2169, 9664), (2416, 8676), (2718, 7712), (2892, 7248), (3624, 5784), (3856, 5436), (4338, 4832)]