20655432

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{719}}^1$

素因数の和:760

約数の個数: 128

約数和(自身を含む): 69120000

約数和(自身を除く): 48464568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 84, 108, 114, 126, 133, 152, 168, 171, 189, 216, 228, 252, 266, 342, 378, 399, 456, 504, 513, 532, 684, 719, 756, 798, 1026, 1064, 1197, 1368, 1438, 1512, 1596, 2052, 2157, 2394, 2876, 3192, 3591, 4104, 4314, 4788, 5033, 5752, 6471, 7182, 8628, 9576, 10066, 12942, 13661, 14364, 15099, 17256, 19413, 20132, 25884, 27322, 28728, 30198, 38826, 40264, 40983, 45297, 51768, 54644, 60396, 77652, 81966, 90594, 95627, 109288, 120792, 122949, 135891, 155304, 163932, 181188, 191254, 245898, 271782, 286881, 327864, 362376, 368847, 382508, 491796, 543564, 573762, 737694, 765016, 860643, 983592, 1087128, 1147524, 1475388, 1721286, 2295048, 2581929, 2950776, 3442572, 5163858, 6885144, 10327716, 20655432]

約数ペア:

[(1, 20655432), (2, 10327716), (3, 6885144), (4, 5163858), (6, 3442572), (7, 2950776), (8, 2581929), (9, 2295048), (12, 1721286), (14, 1475388), (18, 1147524), (19, 1087128), (21, 983592), (24, 860643), (27, 765016), (28, 737694), (36, 573762), (38, 543564), (42, 491796), (54, 382508), (56, 368847), (57, 362376), (63, 327864), (72, 286881), (76, 271782), (84, 245898), (108, 191254), (114, 181188), (126, 163932), (133, 155304), (152, 135891), (168, 122949), (171, 120792), (189, 109288), (216, 95627), (228, 90594), (252, 81966), (266, 77652), (342, 60396), (378, 54644), (399, 51768), (456, 45297), (504, 40983), (513, 40264), (532, 38826), (684, 30198), (719, 28728), (756, 27322), (798, 25884), (1026, 20132), (1064, 19413), (1197, 17256), (1368, 15099), (1438, 14364), (1512, 13661), (1596, 12942), (2052, 10066), (2157, 9576), (2394, 8628), (2876, 7182), (3192, 6471), (3591, 5752), (4104, 5033), (4314, 4788)]