20187284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{16879}}^1$

素因数の和:16919

約数の個数: 24

約数和(自身を含む): 39701760

約数和(自身を除く): 19514476

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 16879, 33758, 67516, 219427, 388217, 438854, 776434, 877708, 1552868, 5046821, 10093642, 20187284]

約数ペア:

[(1, 20187284), (2, 10093642), (4, 5046821), (13, 1552868), (23, 877708), (26, 776434), (46, 438854), (52, 388217), (92, 219427), (299, 67516), (598, 33758), (1196, 16879)]