20749444

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6659}}^1$

素因数の和:6723

約数の個数: 24

約数和(自身を含む): 39160800

約数和(自身を除く): 18411356

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 6659, 13318, 26636, 126521, 253042, 273019, 506084, 546038, 1092076, 5187361, 10374722, 20749444]

約数ペア:

[(1, 20749444), (2, 10374722), (4, 5187361), (19, 1092076), (38, 546038), (41, 506084), (76, 273019), (82, 253042), (164, 126521), (779, 26636), (1558, 13318), (3116, 6659)]