20184844

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 36

約数和(自身を含む): 37535400

約数和(自身を除く): 17350556

約数列:

[1, 2, 4, 31, 59, 62, 89, 118, 124, 178, 236, 356, 961, 1829, 1922, 2759, 3658, 3844, 5251, 5518, 7316, 10502, 11036, 21004, 56699, 85529, 113398, 162781, 171058, 226796, 325562, 342116, 651124, 5046211, 10092422, 20184844]

約数ペア:

[(1, 20184844), (2, 10092422), (4, 5046211), (31, 651124), (59, 342116), (62, 325562), (89, 226796), (118, 171058), (124, 162781), (178, 113398), (236, 85529), (356, 56699), (961, 21004), (1829, 11036), (1922, 10502), (2759, 7316), (3658, 5518), (3844, 5251)]