20453294

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 33264000

約数和(自身を除く): 12810706

約数列:

[1, 2, 29, 43, 58, 59, 86, 118, 139, 278, 1247, 1711, 2494, 2537, 3422, 4031, 5074, 5977, 8062, 8201, 11954, 16402, 73573, 147146, 173333, 237829, 346666, 352643, 475658, 705286, 10226647, 20453294]

約数ペア:

[(1, 20453294), (2, 10226647), (29, 705286), (43, 475658), (58, 352643), (59, 346666), (86, 237829), (118, 173333), (139, 147146), (278, 73573), (1247, 16402), (1711, 11954), (2494, 8201), (2537, 8062), (3422, 5977), (4031, 5074)]