20096874784

素因数分解:

$2^5\times 7^1\times {\mathrm{661}}^1\times {\mathrm{135731}}^1$

素因数の和:136409

約数の個数: 48

約数和(自身を含む): 45286710336

約数和(自身を除く): 25189835552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 661, 1322, 2644, 4627, 5288, 9254, 10576, 18508, 21152, 37016, 74032, 135731, 148064, 271462, 542924, 950117, 1085848, 1900234, 2171696, 3800468, 4343392, 7600936, 15201872, 30403744, 89718191, 179436382, 358872764, 628027337, 717745528, 1256054674, 1435491056, 2512109348, 2870982112, 5024218696, 10048437392, 20096874784]

約数ペア:

[(1, 20096874784), (2, 10048437392), (4, 5024218696), (7, 2870982112), (8, 2512109348), (14, 1435491056), (16, 1256054674), (28, 717745528), (32, 628027337), (56, 358872764), (112, 179436382), (224, 89718191), (661, 30403744), (1322, 15201872), (2644, 7600936), (4627, 4343392), (5288, 3800468), (9254, 2171696), (10576, 1900234), (18508, 1085848), (21152, 950117), (37016, 542924), (74032, 271462), (135731, 148064)]