20149271360

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{495799}}^1$

素因数の和:495943

約数の個数: 56

約数和(自身を含む): 48358348800

約数和(自身を除く): 28209077440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 8128, 10160, 20320, 40640, 495799, 991598, 1983196, 2478995, 3966392, 4957990, 7932784, 9915980, 15865568, 19831960, 31731136, 39663920, 62966473, 79327840, 125932946, 158655680, 251865892, 314832365, 503731784, 629664730, 1007463568, 1259329460, 2014927136, 2518658920, 4029854272, 5037317840, 10074635680, 20149271360]

約数ペア:

[(1, 20149271360), (2, 10074635680), (4, 5037317840), (5, 4029854272), (8, 2518658920), (10, 2014927136), (16, 1259329460), (20, 1007463568), (32, 629664730), (40, 503731784), (64, 314832365), (80, 251865892), (127, 158655680), (160, 125932946), (254, 79327840), (320, 62966473), (508, 39663920), (635, 31731136), (1016, 19831960), (1270, 15865568), (2032, 9915980), (2540, 7932784), (4064, 4957990), (5080, 3966392), (8128, 2478995), (10160, 1983196), (20320, 991598), (40640, 495799)]