20530272

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 62318592

約数和(自身を除く): 41788320

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 137, 168, 223, 224, 274, 336, 411, 446, 548, 669, 672, 822, 892, 959, 1096, 1338, 1561, 1644, 1784, 1918, 2192, 2676, 2877, 3122, 3288, 3568, 3836, 4384, 4683, 5352, 5754, 6244, 6576, 7136, 7672, 9366, 10704, 11508, 12488, 13152, 15344, 18732, 21408, 23016, 24976, 30551, 30688, 37464, 46032, 49952, 61102, 74928, 91653, 92064, 122204, 149856, 183306, 213857, 244408, 366612, 427714, 488816, 641571, 733224, 855428, 977632, 1283142, 1466448, 1710856, 2566284, 2932896, 3421712, 5132568, 6843424, 10265136, 20530272]

約数ペア:

[(1, 20530272), (2, 10265136), (3, 6843424), (4, 5132568), (6, 3421712), (7, 2932896), (8, 2566284), (12, 1710856), (14, 1466448), (16, 1283142), (21, 977632), (24, 855428), (28, 733224), (32, 641571), (42, 488816), (48, 427714), (56, 366612), (84, 244408), (96, 213857), (112, 183306), (137, 149856), (168, 122204), (223, 92064), (224, 91653), (274, 74928), (336, 61102), (411, 49952), (446, 46032), (548, 37464), (669, 30688), (672, 30551), (822, 24976), (892, 23016), (959, 21408), (1096, 18732), (1338, 15344), (1561, 13152), (1644, 12488), (1784, 11508), (1918, 10704), (2192, 9366), (2676, 7672), (2877, 7136), (3122, 6576), (3288, 6244), (3568, 5754), (3836, 5352), (4384, 4683)]