20821824

素因数分解:

$2^6\times 3^2\times {\mathrm{37}}^1\times {\mathrm{977}}^1$

素因数の和:1032

約数の個数: 84

約数和(自身を含む): 61357764

約数和(自身を除く): 40535940

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 64, 72, 74, 96, 111, 144, 148, 192, 222, 288, 296, 333, 444, 576, 592, 666, 888, 977, 1184, 1332, 1776, 1954, 2368, 2664, 2931, 3552, 3908, 5328, 5862, 7104, 7816, 8793, 10656, 11724, 15632, 17586, 21312, 23448, 31264, 35172, 36149, 46896, 62528, 70344, 72298, 93792, 108447, 140688, 144596, 187584, 216894, 281376, 289192, 325341, 433788, 562752, 578384, 650682, 867576, 1156768, 1301364, 1735152, 2313536, 2602728, 3470304, 5205456, 6940608, 10410912, 20821824]

約数ペア:

[(1, 20821824), (2, 10410912), (3, 6940608), (4, 5205456), (6, 3470304), (8, 2602728), (9, 2313536), (12, 1735152), (16, 1301364), (18, 1156768), (24, 867576), (32, 650682), (36, 578384), (37, 562752), (48, 433788), (64, 325341), (72, 289192), (74, 281376), (96, 216894), (111, 187584), (144, 144596), (148, 140688), (192, 108447), (222, 93792), (288, 72298), (296, 70344), (333, 62528), (444, 46896), (576, 36149), (592, 35172), (666, 31264), (888, 23448), (977, 21312), (1184, 17586), (1332, 15632), (1776, 11724), (1954, 10656), (2368, 8793), (2664, 7816), (2931, 7104), (3552, 5862), (3908, 5328)]