20039538064

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{22307}}^1$

素因数の和:22952

約数の個数: 80

約数和(自身を含む): 47866186368

約数和(自身を除く): 27826648304

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 617, 728, 1234, 1456, 2468, 4319, 4936, 8021, 8638, 9872, 16042, 17276, 22307, 32084, 34552, 44614, 56147, 64168, 69104, 89228, 112294, 128336, 156149, 178456, 224588, 289991, 312298, 356912, 449176, 579982, 624596, 898352, 1159964, 1249192, 2029937, 2319928, 2498384, 4059874, 4639856, 8119748, 13763419, 16239496, 27526838, 32478992, 55053676, 96343933, 110107352, 178924447, 192687866, 220214704, 357848894, 385375732, 715697788, 770751464, 1252471129, 1431395576, 1541502928, 2504942258, 2862791152, 5009884516, 10019769032, 20039538064]

約数ペア:

[(1, 20039538064), (2, 10019769032), (4, 5009884516), (7, 2862791152), (8, 2504942258), (13, 1541502928), (14, 1431395576), (16, 1252471129), (26, 770751464), (28, 715697788), (52, 385375732), (56, 357848894), (91, 220214704), (104, 192687866), (112, 178924447), (182, 110107352), (208, 96343933), (364, 55053676), (617, 32478992), (728, 27526838), (1234, 16239496), (1456, 13763419), (2468, 8119748), (4319, 4639856), (4936, 4059874), (8021, 2498384), (8638, 2319928), (9872, 2029937), (16042, 1249192), (17276, 1159964), (22307, 898352), (32084, 624596), (34552, 579982), (44614, 449176), (56147, 356912), (64168, 312298), (69104, 289991), (89228, 224588), (112294, 178456), (128336, 156149)]