20216157

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 10265763

約数列:

[1, 3, 13, 39, 41, 47, 123, 141, 269, 533, 611, 807, 1599, 1833, 1927, 3497, 5781, 10491, 11029, 12643, 25051, 33087, 37929, 75153, 143377, 164359, 430131, 493077, 518363, 1555089, 6738719, 20216157]

約数ペア:

[(1, 20216157), (3, 6738719), (13, 1555089), (39, 518363), (41, 493077), (47, 430131), (123, 164359), (141, 143377), (269, 75153), (533, 37929), (611, 33087), (807, 25051), (1599, 12643), (1833, 11029), (1927, 10491), (3497, 5781)]