20577824

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 42964992

約数和(自身を除く): 22387168

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 73, 92, 146, 184, 292, 368, 383, 584, 736, 766, 1168, 1532, 1679, 2336, 3064, 3358, 6128, 6716, 8809, 12256, 13432, 17618, 26864, 27959, 35236, 53728, 55918, 70472, 111836, 140944, 223672, 281888, 447344, 643057, 894688, 1286114, 2572228, 5144456, 10288912, 20577824]

約数ペア:

[(1, 20577824), (2, 10288912), (4, 5144456), (8, 2572228), (16, 1286114), (23, 894688), (32, 643057), (46, 447344), (73, 281888), (92, 223672), (146, 140944), (184, 111836), (292, 70472), (368, 55918), (383, 53728), (584, 35236), (736, 27959), (766, 26864), (1168, 17618), (1532, 13432), (1679, 12256), (2336, 8809), (3064, 6716), (3358, 6128)]