20620692

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 54401256

約数和(自身を除く): 33780564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 113, 137, 148, 222, 226, 274, 333, 339, 411, 444, 452, 548, 666, 678, 822, 1017, 1233, 1332, 1356, 1644, 2034, 2466, 4068, 4181, 4932, 5069, 8362, 10138, 12543, 15207, 15481, 16724, 20276, 25086, 30414, 30962, 37629, 45621, 46443, 50172, 60828, 61924, 75258, 91242, 92886, 139329, 150516, 182484, 185772, 278658, 557316, 572797, 1145594, 1718391, 2291188, 3436782, 5155173, 6873564, 10310346, 20620692]

約数ペア:

[(1, 20620692), (2, 10310346), (3, 6873564), (4, 5155173), (6, 3436782), (9, 2291188), (12, 1718391), (18, 1145594), (36, 572797), (37, 557316), (74, 278658), (111, 185772), (113, 182484), (137, 150516), (148, 139329), (222, 92886), (226, 91242), (274, 75258), (333, 61924), (339, 60828), (411, 50172), (444, 46443), (452, 45621), (548, 37629), (666, 30962), (678, 30414), (822, 25086), (1017, 20276), (1233, 16724), (1332, 15481), (1356, 15207), (1644, 12543), (2034, 10138), (2466, 8362), (4068, 5069), (4181, 4932)]