20536416940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{83231}}^1$

素因数の和:83339

約数の個数: 72

約数和(自身を含む): 47339365248

約数和(自身を除く): 26802948308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 169, 260, 292, 338, 365, 676, 730, 845, 949, 1460, 1690, 1898, 3380, 3796, 4745, 9490, 12337, 18980, 24674, 49348, 61685, 83231, 123370, 166462, 246740, 332924, 416155, 832310, 1082003, 1664620, 2164006, 4328012, 5410015, 6075863, 10820030, 12151726, 14066039, 21640060, 24303452, 28132078, 30379315, 56264156, 60758630, 70330195, 78986219, 121517260, 140660390, 157972438, 281320780, 315944876, 394931095, 789862190, 1026820847, 1579724380, 2053641694, 4107283388, 5134104235, 10268208470, 20536416940]

約数ペア:

[(1, 20536416940), (2, 10268208470), (4, 5134104235), (5, 4107283388), (10, 2053641694), (13, 1579724380), (20, 1026820847), (26, 789862190), (52, 394931095), (65, 315944876), (73, 281320780), (130, 157972438), (146, 140660390), (169, 121517260), (260, 78986219), (292, 70330195), (338, 60758630), (365, 56264156), (676, 30379315), (730, 28132078), (845, 24303452), (949, 21640060), (1460, 14066039), (1690, 12151726), (1898, 10820030), (3380, 6075863), (3796, 5410015), (4745, 4328012), (9490, 2164006), (12337, 1664620), (18980, 1082003), (24674, 832310), (49348, 416155), (61685, 332924), (83231, 246740), (123370, 166462)]