201920404

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{1301}}^1$

素因数の和:1576

約数の個数: 48

約数和(自身を含む): 423472896

約数和(自身を除く): 221552492

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 241, 322, 482, 644, 964, 1301, 1687, 2602, 3374, 5204, 5543, 6748, 9107, 11086, 18214, 22172, 29923, 36428, 38801, 59846, 77602, 119692, 155204, 209461, 313541, 418922, 627082, 837844, 1254164, 2194787, 4389574, 7211443, 8779148, 14422886, 28845772, 50480101, 100960202, 201920404]

約数ペア:

[(1, 201920404), (2, 100960202), (4, 50480101), (7, 28845772), (14, 14422886), (23, 8779148), (28, 7211443), (46, 4389574), (92, 2194787), (161, 1254164), (241, 837844), (322, 627082), (482, 418922), (644, 313541), (964, 209461), (1301, 155204), (1687, 119692), (2602, 77602), (3374, 59846), (5204, 38801), (5543, 36428), (6748, 29923), (9107, 22172), (11086, 18214)]