20431284

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 49363776

約数和(自身を除く): 28932492

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 131, 164, 246, 262, 317, 393, 492, 524, 634, 786, 951, 1268, 1572, 1902, 3804, 5371, 10742, 12997, 16113, 21484, 25994, 32226, 38991, 41527, 51988, 64452, 77982, 83054, 124581, 155964, 166108, 249162, 498324, 1702607, 3405214, 5107821, 6810428, 10215642, 20431284]

約数ペア:

[(1, 20431284), (2, 10215642), (3, 6810428), (4, 5107821), (6, 3405214), (12, 1702607), (41, 498324), (82, 249162), (123, 166108), (131, 155964), (164, 124581), (246, 83054), (262, 77982), (317, 64452), (393, 51988), (492, 41527), (524, 38991), (634, 32226), (786, 25994), (951, 21484), (1268, 16113), (1572, 12997), (1902, 10742), (3804, 5371)]