20772244

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 19446956

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 83, 89, 148, 166, 178, 332, 356, 703, 1406, 1577, 1691, 2812, 3071, 3154, 3293, 3382, 6142, 6308, 6586, 6764, 7387, 12284, 13172, 14774, 29548, 58349, 62567, 116698, 125134, 140353, 233396, 250268, 273319, 280706, 546638, 561412, 1093276, 5193061, 10386122, 20772244]

約数ペア:

[(1, 20772244), (2, 10386122), (4, 5193061), (19, 1093276), (37, 561412), (38, 546638), (74, 280706), (76, 273319), (83, 250268), (89, 233396), (148, 140353), (166, 125134), (178, 116698), (332, 62567), (356, 58349), (703, 29548), (1406, 14774), (1577, 13172), (1691, 12284), (2812, 7387), (3071, 6764), (3154, 6586), (3293, 6308), (3382, 6142)]