20237702076

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{347}}^1\times {\mathrm{20507}}^1$

素因数の和:20943

約数の個数: 72

約数和(自身を含む): 51955787520

約数和(自身を除く): 31718085444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 347, 474, 694, 711, 948, 1041, 1388, 1422, 2082, 2844, 3123, 4164, 6246, 12492, 20507, 27413, 41014, 54826, 61521, 82028, 82239, 109652, 123042, 164478, 184563, 246084, 246717, 328956, 369126, 493434, 738252, 986868, 1620053, 3240106, 4860159, 6480212, 7115929, 9720318, 14231858, 14580477, 19440636, 21347787, 28463716, 29160954, 42695574, 58321908, 64043361, 85391148, 128086722, 256173444, 562158391, 1124316782, 1686475173, 2248633564, 3372950346, 5059425519, 6745900692, 10118851038, 20237702076]

約数ペア:

[(1, 20237702076), (2, 10118851038), (3, 6745900692), (4, 5059425519), (6, 3372950346), (9, 2248633564), (12, 1686475173), (18, 1124316782), (36, 562158391), (79, 256173444), (158, 128086722), (237, 85391148), (316, 64043361), (347, 58321908), (474, 42695574), (694, 29160954), (711, 28463716), (948, 21347787), (1041, 19440636), (1388, 14580477), (1422, 14231858), (2082, 9720318), (2844, 7115929), (3123, 6480212), (4164, 4860159), (6246, 3240106), (12492, 1620053), (20507, 986868), (27413, 738252), (41014, 493434), (54826, 369126), (61521, 328956), (82028, 246717), (82239, 246084), (109652, 184563), (123042, 164478)]