20423008440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{4157}}^1\times {\mathrm{4549}}^1$

素因数の和:8726

約数の個数: 128

約数和(自身を含む): 68108040000

約数和(自身を除く): 47685031560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 4157, 4549, 8314, 9098, 12471, 13647, 16628, 18196, 20785, 22745, 24942, 27294, 33256, 36392, 37413, 40941, 41570, 45490, 49884, 54588, 62355, 68235, 74826, 81882, 83140, 90980, 99768, 109176, 112239, 122823, 124710, 136470, 149652, 163764, 166280, 181960, 187065, 204705, 224478, 245646, 249420, 272940, 299304, 327528, 374130, 409410, 448956, 491292, 498840, 545880, 561195, 614115, 748260, 818820, 897912, 982584, 1122390, 1228230, 1496520, 1637640, 2244780, 2456460, 4489560, 4912920, 18910193, 37820386, 56730579, 75640772, 94550965, 113461158, 151281544, 170191737, 189101930, 226922316, 283652895, 340383474, 378203860, 453844632, 510575211, 567305790, 680766948, 756407720, 850958685, 1021150422, 1134611580, 1361533896, 1701917370, 2042300844, 2269223160, 2552876055, 3403834740, 4084601688, 5105752110, 6807669480, 10211504220, 20423008440]

約数ペア:

[(1, 20423008440), (2, 10211504220), (3, 6807669480), (4, 5105752110), (5, 4084601688), (6, 3403834740), (8, 2552876055), (9, 2269223160), (10, 2042300844), (12, 1701917370), (15, 1361533896), (18, 1134611580), (20, 1021150422), (24, 850958685), (27, 756407720), (30, 680766948), (36, 567305790), (40, 510575211), (45, 453844632), (54, 378203860), (60, 340383474), (72, 283652895), (90, 226922316), (108, 189101930), (120, 170191737), (135, 151281544), (180, 113461158), (216, 94550965), (270, 75640772), (360, 56730579), (540, 37820386), (1080, 18910193), (4157, 4912920), (4549, 4489560), (8314, 2456460), (9098, 2244780), (12471, 1637640), (13647, 1496520), (16628, 1228230), (18196, 1122390), (20785, 982584), (22745, 897912), (24942, 818820), (27294, 748260), (33256, 614115), (36392, 561195), (37413, 545880), (40941, 498840), (41570, 491292), (45490, 448956), (49884, 409410), (54588, 374130), (62355, 327528), (68235, 299304), (74826, 272940), (81882, 249420), (83140, 245646), (90980, 224478), (99768, 204705), (109176, 187065), (112239, 181960), (122823, 166280), (124710, 163764), (136470, 149652)]