20112260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7561}}^1$

素因数の和:7596

約数の個数: 48

約数和(自身を含む): 50816640

約数和(自身を除く): 30704380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 7561, 15122, 30244, 37805, 52927, 75610, 105854, 143659, 151220, 211708, 264635, 287318, 529270, 574636, 718295, 1005613, 1058540, 1436590, 2011226, 2873180, 4022452, 5028065, 10056130, 20112260]

約数ペア:

[(1, 20112260), (2, 10056130), (4, 5028065), (5, 4022452), (7, 2873180), (10, 2011226), (14, 1436590), (19, 1058540), (20, 1005613), (28, 718295), (35, 574636), (38, 529270), (70, 287318), (76, 264635), (95, 211708), (133, 151220), (140, 143659), (190, 105854), (266, 75610), (380, 52927), (532, 37805), (665, 30244), (1330, 15122), (2660, 7561)]