20653080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1069}}^1$

素因数の和:1113

約数の個数: 128

約数和(自身を含む): 73958400

約数和(自身を除く): 53305320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1069, 1288, 1380, 1610, 1932, 2138, 2415, 2760, 3207, 3220, 3864, 4276, 4830, 5345, 6414, 6440, 7483, 8552, 9660, 10690, 12828, 14966, 16035, 19320, 21380, 22449, 24587, 25656, 29932, 32070, 37415, 42760, 44898, 49174, 59864, 64140, 73761, 74830, 89796, 98348, 112245, 122935, 128280, 147522, 149660, 172109, 179592, 196696, 224490, 245870, 295044, 299320, 344218, 368805, 448980, 491740, 516327, 590088, 688436, 737610, 860545, 897960, 983480, 1032654, 1376872, 1475220, 1721090, 2065308, 2581635, 2950440, 3442180, 4130616, 5163270, 6884360, 10326540, 20653080]

約数ペア:

[(1, 20653080), (2, 10326540), (3, 6884360), (4, 5163270), (5, 4130616), (6, 3442180), (7, 2950440), (8, 2581635), (10, 2065308), (12, 1721090), (14, 1475220), (15, 1376872), (20, 1032654), (21, 983480), (23, 897960), (24, 860545), (28, 737610), (30, 688436), (35, 590088), (40, 516327), (42, 491740), (46, 448980), (56, 368805), (60, 344218), (69, 299320), (70, 295044), (84, 245870), (92, 224490), (105, 196696), (115, 179592), (120, 172109), (138, 149660), (140, 147522), (161, 128280), (168, 122935), (184, 112245), (210, 98348), (230, 89796), (276, 74830), (280, 73761), (322, 64140), (345, 59864), (420, 49174), (460, 44898), (483, 42760), (552, 37415), (644, 32070), (690, 29932), (805, 25656), (840, 24587), (920, 22449), (966, 21380), (1069, 19320), (1288, 16035), (1380, 14966), (1610, 12828), (1932, 10690), (2138, 9660), (2415, 8552), (2760, 7483), (3207, 6440), (3220, 6414), (3864, 5345), (4276, 4830)]