20169794745

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1\times {\mathrm{4357}}^1$

素因数の和:5071

約数の個数: 64

約数和(自身を含む): 36598832640

約数和(自身を除く): 16429037895

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 647, 795, 1431, 1941, 2385, 3235, 4357, 5823, 7155, 9705, 13071, 17469, 21785, 29115, 34291, 39213, 65355, 87345, 102873, 117639, 171455, 196065, 230921, 308619, 514365, 588195, 692763, 925857, 1154605, 1543095, 2078289, 2818979, 3463815, 4629285, 6234867, 8456937, 10391445, 14094895, 25370811, 31174335, 42284685, 76112433, 126854055, 149405887, 380562165, 448217661, 747029435, 1344652983, 2241088305, 4033958949, 6723264915, 20169794745]

約数ペア:

[(1, 20169794745), (3, 6723264915), (5, 4033958949), (9, 2241088305), (15, 1344652983), (27, 747029435), (45, 448217661), (53, 380562165), (135, 149405887), (159, 126854055), (265, 76112433), (477, 42284685), (647, 31174335), (795, 25370811), (1431, 14094895), (1941, 10391445), (2385, 8456937), (3235, 6234867), (4357, 4629285), (5823, 3463815), (7155, 2818979), (9705, 2078289), (13071, 1543095), (17469, 1154605), (21785, 925857), (29115, 692763), (34291, 588195), (39213, 514365), (65355, 308619), (87345, 230921), (102873, 196065), (117639, 171455)]