20781646236

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{44405227}}^1$

素因数の和:44405250

約数の個数: 36

約数和(自身を含む): 56572260472

約数和(自身を除く): 35790614236

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 44405227, 88810454, 133215681, 177620908, 266431362, 399647043, 532862724, 577267951, 799294086, 1154535902, 1598588172, 1731803853, 2309071804, 3463607706, 5195411559, 6927215412, 10390823118, 20781646236]

約数ペア:

[(1, 20781646236), (2, 10390823118), (3, 6927215412), (4, 5195411559), (6, 3463607706), (9, 2309071804), (12, 1731803853), (13, 1598588172), (18, 1154535902), (26, 799294086), (36, 577267951), (39, 532862724), (52, 399647043), (78, 266431362), (117, 177620908), (156, 133215681), (234, 88810454), (468, 44405227)]