20973384

素因数分解:

$2^3\times 3^3\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1195

約数の個数: 64

約数和(自身を含む): 58968000

約数和(自身を除く): 37994616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 89, 108, 178, 216, 267, 356, 534, 712, 801, 1068, 1091, 1602, 2136, 2182, 2403, 3204, 3273, 4364, 4806, 6408, 6546, 8728, 9612, 9819, 13092, 19224, 19638, 26184, 29457, 39276, 58914, 78552, 97099, 117828, 194198, 235656, 291297, 388396, 582594, 776792, 873891, 1165188, 1747782, 2330376, 2621673, 3495564, 5243346, 6991128, 10486692, 20973384]

約数ペア:

[(1, 20973384), (2, 10486692), (3, 6991128), (4, 5243346), (6, 3495564), (8, 2621673), (9, 2330376), (12, 1747782), (18, 1165188), (24, 873891), (27, 776792), (36, 582594), (54, 388396), (72, 291297), (89, 235656), (108, 194198), (178, 117828), (216, 97099), (267, 78552), (356, 58914), (534, 39276), (712, 29457), (801, 26184), (1068, 19638), (1091, 19224), (1602, 13092), (2136, 9819), (2182, 9612), (2403, 8728), (3204, 6546), (3273, 6408), (4364, 4806)]