20072856860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{839}}^1\times {\mathrm{24413}}^1$

素因数の和:25275

約数の個数: 72

約数和(自身を含む): 49095577440

約数和(自身を除く): 29022720580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 839, 980, 1678, 3356, 4195, 5873, 8390, 11746, 16780, 23492, 24413, 29365, 41111, 48826, 58730, 82222, 97652, 117460, 122065, 164444, 170891, 205555, 244130, 341782, 411110, 488260, 683564, 822220, 854455, 1196237, 1708910, 2392474, 3417820, 4784948, 5981185, 11962370, 20482507, 23924740, 40965014, 81930028, 102412535, 143377549, 204825070, 286755098, 409650140, 573510196, 716887745, 1003642843, 1433775490, 2007285686, 2867550980, 4014571372, 5018214215, 10036428430, 20072856860]

約数ペア:

[(1, 20072856860), (2, 10036428430), (4, 5018214215), (5, 4014571372), (7, 2867550980), (10, 2007285686), (14, 1433775490), (20, 1003642843), (28, 716887745), (35, 573510196), (49, 409650140), (70, 286755098), (98, 204825070), (140, 143377549), (196, 102412535), (245, 81930028), (490, 40965014), (839, 23924740), (980, 20482507), (1678, 11962370), (3356, 5981185), (4195, 4784948), (5873, 3417820), (8390, 2392474), (11746, 1708910), (16780, 1196237), (23492, 854455), (24413, 822220), (29365, 683564), (41111, 488260), (48826, 411110), (58730, 341782), (82222, 244130), (97652, 205555), (117460, 170891), (122065, 164444)]