20513305712

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{2857}}^1\times {\mathrm{8467}}^1$

素因数の和:11385

約数の個数: 40

約数和(自身を含む): 40513384656

約数和(自身を除く): 20000078944

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 2857, 5714, 8467, 11428, 16934, 22856, 33868, 45712, 67736, 135472, 151421, 302842, 448751, 605684, 897502, 1211368, 1795004, 2422736, 3590008, 7180016, 24190219, 48380438, 96760876, 193521752, 387043504, 1282081607, 2564163214, 5128326428, 10256652856, 20513305712]

約数ペア:

[(1, 20513305712), (2, 10256652856), (4, 5128326428), (8, 2564163214), (16, 1282081607), (53, 387043504), (106, 193521752), (212, 96760876), (424, 48380438), (848, 24190219), (2857, 7180016), (5714, 3590008), (8467, 2422736), (11428, 1795004), (16934, 1211368), (22856, 897502), (33868, 605684), (45712, 448751), (67736, 302842), (135472, 151421)]