20494348

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3373}}^1$

素因数の和:3422

約数の個数: 36

約数和(自身を含む): 43079232

約数和(自身を除く): 22584884

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 3373, 6076, 6746, 13492, 23611, 47222, 94444, 104563, 165277, 209126, 330554, 418252, 661108, 731941, 1463882, 2927764, 5123587, 10247174, 20494348]

約数ペア:

[(1, 20494348), (2, 10247174), (4, 5123587), (7, 2927764), (14, 1463882), (28, 731941), (31, 661108), (49, 418252), (62, 330554), (98, 209126), (124, 165277), (196, 104563), (217, 94444), (434, 47222), (868, 23611), (1519, 13492), (3038, 6746), (3373, 6076)]