20153178868

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1\times {\mathrm{2767}}^1$

素因数の和:3400

約数の個数: 48

約数和(自身を含む): 36620640000

約数和(自身を除く): 16467461132

約数列:

[1, 2, 4, 41, 82, 89, 164, 178, 356, 499, 998, 1996, 2767, 3649, 5534, 7298, 11068, 14596, 20459, 40918, 44411, 81836, 88822, 113447, 177644, 226894, 246263, 453788, 492526, 985052, 1380733, 1820851, 2761466, 3641702, 5522932, 7283404, 10096783, 20193566, 40387132, 56610053, 113220106, 122885237, 226440212, 245770474, 491540948, 5038294717, 10076589434, 20153178868]

約数ペア:

[(1, 20153178868), (2, 10076589434), (4, 5038294717), (41, 491540948), (82, 245770474), (89, 226440212), (164, 122885237), (178, 113220106), (356, 56610053), (499, 40387132), (998, 20193566), (1996, 10096783), (2767, 7283404), (3649, 5522932), (5534, 3641702), (7298, 2761466), (11068, 1820851), (14596, 1380733), (20459, 985052), (40918, 492526), (44411, 453788), (81836, 246263), (88822, 226894), (113447, 177644)]