20550456

素因数分解:

$2^3\times 3^3\times {\mathrm{89}}^1\times {\mathrm{1069}}^1$

素因数の和:1173

約数の個数: 64

約数和(自身を含む): 57780000

約数和(自身を除く): 37229544

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, 1069, 1602, 2136, 2138, 2403, 3204, 3207, 4276, 4806, 6408, 6414, 8552, 9612, 9621, 12828, 19224, 19242, 25656, 28863, 38484, 57726, 76968, 95141, 115452, 190282, 230904, 285423, 380564, 570846, 761128, 856269, 1141692, 1712538, 2283384, 2568807, 3425076, 5137614, 6850152, 10275228, 20550456]

約数ペア:

[(1, 20550456), (2, 10275228), (3, 6850152), (4, 5137614), (6, 3425076), (8, 2568807), (9, 2283384), (12, 1712538), (18, 1141692), (24, 856269), (27, 761128), (36, 570846), (54, 380564), (72, 285423), (89, 230904), (108, 190282), (178, 115452), (216, 95141), (267, 76968), (356, 57726), (534, 38484), (712, 28863), (801, 25656), (1068, 19242), (1069, 19224), (1602, 12828), (2136, 9621), (2138, 9612), (2403, 8552), (3204, 6414), (3207, 6408), (4276, 4806)]