20165882716

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2269}}^1\times {\mathrm{2423}}^1$

素因数の和:4834

約数の個数: 48

約数和(自身を含む): 40674332160

約数和(自身を除く): 20508449444

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 2269, 2423, 3668, 4538, 4846, 9076, 9692, 15883, 16961, 31766, 33922, 63532, 67844, 297239, 317413, 594478, 634826, 1188956, 1269652, 2080673, 2221891, 4161346, 4443782, 5497787, 8322692, 8887564, 10995574, 21991148, 38484509, 76969018, 153938036, 720210097, 1440420194, 2880840388, 5041470679, 10082941358, 20165882716]

約数ペア:

[(1, 20165882716), (2, 10082941358), (4, 5041470679), (7, 2880840388), (14, 1440420194), (28, 720210097), (131, 153938036), (262, 76969018), (524, 38484509), (917, 21991148), (1834, 10995574), (2269, 8887564), (2423, 8322692), (3668, 5497787), (4538, 4443782), (4846, 4161346), (9076, 2221891), (9692, 2080673), (15883, 1269652), (16961, 1188956), (31766, 634826), (33922, 594478), (63532, 317413), (67844, 297239)]