20341644980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1583}}^1\times {\mathrm{7741}}^1$

素因数の和:9416

約数の個数: 48

約数和(自身を含む): 43265021184

約数和(自身を除く): 22923376204

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1583, 1660, 3166, 6332, 7741, 7915, 15482, 15830, 30964, 31660, 38705, 77410, 131389, 154820, 262778, 525556, 642503, 656945, 1285006, 1313890, 2570012, 2627780, 3212515, 6425030, 12254003, 12850060, 24508006, 49016012, 61270015, 122540030, 245080060, 1017082249, 2034164498, 4068328996, 5085411245, 10170822490, 20341644980]

約数ペア:

[(1, 20341644980), (2, 10170822490), (4, 5085411245), (5, 4068328996), (10, 2034164498), (20, 1017082249), (83, 245080060), (166, 122540030), (332, 61270015), (415, 49016012), (830, 24508006), (1583, 12850060), (1660, 12254003), (3166, 6425030), (6332, 3212515), (7741, 2627780), (7915, 2570012), (15482, 1313890), (15830, 1285006), (30964, 656945), (31660, 642503), (38705, 525556), (77410, 262778), (131389, 154820)]