20924050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 44854272

約数和(自身を除く): 23930222

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 191, 313, 350, 382, 626, 955, 1337, 1565, 1910, 2191, 2674, 3130, 4382, 4775, 6685, 7825, 9550, 10955, 13370, 15650, 21910, 33425, 54775, 59783, 66850, 109550, 119566, 298915, 418481, 597830, 836962, 1494575, 2092405, 2989150, 4184810, 10462025, 20924050]

約数ペア:

[(1, 20924050), (2, 10462025), (5, 4184810), (7, 2989150), (10, 2092405), (14, 1494575), (25, 836962), (35, 597830), (50, 418481), (70, 298915), (175, 119566), (191, 109550), (313, 66850), (350, 59783), (382, 54775), (626, 33425), (955, 21910), (1337, 15650), (1565, 13370), (1910, 10955), (2191, 9550), (2674, 7825), (3130, 6685), (4382, 4775)]