20865782

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:584

約数の個数: 32

約数和(自身を含む): 37122624

約数和(自身を除く): 16256842

約数列:

[1, 2, 7, 14, 53, 61, 106, 122, 371, 427, 461, 742, 854, 922, 3227, 3233, 6454, 6466, 22631, 24433, 28121, 45262, 48866, 56242, 171031, 196847, 342062, 393694, 1490413, 2980826, 10432891, 20865782]

約数ペア:

[(1, 20865782), (2, 10432891), (7, 2980826), (14, 1490413), (53, 393694), (61, 342062), (106, 196847), (122, 171031), (371, 56242), (427, 48866), (461, 45262), (742, 28121), (854, 24433), (922, 22631), (3227, 6466), (3233, 6454)]