20987224

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{683}}^1$

素因数の和:879

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 20381096

約数列:

[1, 2, 4, 8, 23, 46, 92, 167, 184, 334, 668, 683, 1336, 1366, 2732, 3841, 5464, 7682, 15364, 15709, 30728, 31418, 62836, 114061, 125672, 228122, 456244, 912488, 2623403, 5246806, 10493612, 20987224]

約数ペア:

[(1, 20987224), (2, 10493612), (4, 5246806), (8, 2623403), (23, 912488), (46, 456244), (92, 228122), (167, 125672), (184, 114061), (334, 62836), (668, 31418), (683, 30728), (1336, 15709), (1366, 15364), (2732, 7682), (3841, 5464)]