20132672385

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{653}}^1\times {\mathrm{41947}}^1$

素因数の和:42622

約数の個数: 48

約数和(自身を含む): 37529701056

約数和(自身を除く): 17397028671

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 653, 735, 1959, 3265, 4571, 9795, 13713, 22855, 31997, 41947, 68565, 95991, 125841, 159985, 209735, 293629, 479955, 629205, 880887, 1468145, 2055403, 4404435, 6166209, 10277015, 27391391, 30831045, 82174173, 136956955, 191739737, 410870865, 575219211, 958698685, 1342178159, 2876096055, 4026534477, 6710890795, 20132672385]

約数ペア:

[(1, 20132672385), (3, 6710890795), (5, 4026534477), (7, 2876096055), (15, 1342178159), (21, 958698685), (35, 575219211), (49, 410870865), (105, 191739737), (147, 136956955), (245, 82174173), (653, 30831045), (735, 27391391), (1959, 10277015), (3265, 6166209), (4571, 4404435), (9795, 2055403), (13713, 1468145), (22855, 880887), (31997, 629205), (41947, 479955), (68565, 293629), (95991, 209735), (125841, 159985)]