20842512

素因数分解:

$2^4\times 3^1\times {\mathrm{181}}^1\times {\mathrm{2399}}^1$

素因数の和:2591

約数の個数: 40

約数和(自身を含む): 54163200

約数和(自身を除く): 33320688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 181, 362, 543, 724, 1086, 1448, 2172, 2399, 2896, 4344, 4798, 7197, 8688, 9596, 14394, 19192, 28788, 38384, 57576, 115152, 434219, 868438, 1302657, 1736876, 2605314, 3473752, 5210628, 6947504, 10421256, 20842512]

約数ペア:

[(1, 20842512), (2, 10421256), (3, 6947504), (4, 5210628), (6, 3473752), (8, 2605314), (12, 1736876), (16, 1302657), (24, 868438), (48, 434219), (181, 115152), (362, 57576), (543, 38384), (724, 28788), (1086, 19192), (1448, 14394), (2172, 9596), (2399, 8688), (2896, 7197), (4344, 4798)]