20226735

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{577}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 37870560

約数和(自身を除く): 17643825

約数列:

[1, 3, 5, 9, 15, 19, 41, 45, 57, 95, 123, 171, 205, 285, 369, 577, 615, 779, 855, 1731, 1845, 2337, 2885, 3895, 5193, 7011, 8655, 10963, 11685, 23657, 25965, 32889, 35055, 54815, 70971, 98667, 118285, 164445, 212913, 354855, 449483, 493335, 1064565, 1348449, 2247415, 4045347, 6742245, 20226735]

約数ペア:

[(1, 20226735), (3, 6742245), (5, 4045347), (9, 2247415), (15, 1348449), (19, 1064565), (41, 493335), (45, 449483), (57, 354855), (95, 212913), (123, 164445), (171, 118285), (205, 98667), (285, 70971), (369, 54815), (577, 35055), (615, 32889), (779, 25965), (855, 23657), (1731, 11685), (1845, 10963), (2337, 8655), (2885, 7011), (3895, 5193)]