20199353456

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{243577}}^1$

素因数の和:243729

約数の個数: 40

約数和(自身を含む): 40231291104

約数和(自身を除く): 20031937648

約数列:

[1, 2, 4, 8, 16, 71, 73, 142, 146, 284, 292, 568, 584, 1136, 1168, 5183, 10366, 20732, 41464, 82928, 243577, 487154, 974308, 1948616, 3897232, 17293967, 17781121, 34587934, 35562242, 69175868, 71124484, 138351736, 142248968, 276703472, 284497936, 1262459591, 2524919182, 5049838364, 10099676728, 20199353456]

約数ペア:

[(1, 20199353456), (2, 10099676728), (4, 5049838364), (8, 2524919182), (16, 1262459591), (71, 284497936), (73, 276703472), (142, 142248968), (146, 138351736), (284, 71124484), (292, 69175868), (568, 35562242), (584, 34587934), (1136, 17781121), (1168, 17293967), (5183, 3897232), (10366, 1948616), (20732, 974308), (41464, 487154), (82928, 243577)]