20803426196

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{434237}}^1$

素因数の和:434336

約数の個数: 48

約数和(自身を含む): 43771190400

約数和(自身を除く): 22967764204

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 59, 116, 118, 203, 236, 406, 413, 812, 826, 1652, 1711, 3422, 6844, 11977, 23954, 47908, 434237, 868474, 1736948, 3039659, 6079318, 12158636, 12592873, 25185746, 25619983, 50371492, 51239966, 88150111, 102479932, 176300222, 179339881, 352600444, 358679762, 717359524, 742979507, 1485959014, 2971918028, 5200856549, 10401713098, 20803426196]

約数ペア:

[(1, 20803426196), (2, 10401713098), (4, 5200856549), (7, 2971918028), (14, 1485959014), (28, 742979507), (29, 717359524), (58, 358679762), (59, 352600444), (116, 179339881), (118, 176300222), (203, 102479932), (236, 88150111), (406, 51239966), (413, 50371492), (812, 25619983), (826, 25185746), (1652, 12592873), (1711, 12158636), (3422, 6079318), (6844, 3039659), (11977, 1736948), (23954, 868474), (47908, 434237)]