20111985232

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{641}}^1\times {\mathrm{10267}}^1$

素因数の和:11107

約数の個数: 40

約数和(自身を含む): 39235917312

約数和(自身を除く): 19123932080

約数列:

[1, 2, 4, 8, 16, 191, 382, 641, 764, 1282, 1528, 2564, 3056, 5128, 10256, 10267, 20534, 41068, 82136, 122431, 164272, 244862, 489724, 979448, 1958896, 1960997, 3921994, 6581147, 7843988, 13162294, 15687976, 26324588, 31375952, 52649176, 105298352, 1256999077, 2513998154, 5027996308, 10055992616, 20111985232]

約数ペア:

[(1, 20111985232), (2, 10055992616), (4, 5027996308), (8, 2513998154), (16, 1256999077), (191, 105298352), (382, 52649176), (641, 31375952), (764, 26324588), (1282, 15687976), (1528, 13162294), (2564, 7843988), (3056, 6581147), (5128, 3921994), (10256, 1960997), (10267, 1958896), (20534, 979448), (41068, 489724), (82136, 244862), (122431, 164272)]