20307801904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{24799}}^1$

素因数の和:24978

約数の個数: 80

約数和(自身を含む): 44086067200

約数和(自身を除く): 23778265296

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 127, 208, 248, 254, 403, 496, 508, 806, 1016, 1612, 1651, 2032, 3224, 3302, 3937, 6448, 6604, 7874, 13208, 15748, 24799, 26416, 31496, 49598, 51181, 62992, 99196, 102362, 198392, 204724, 322387, 396784, 409448, 644774, 768769, 818896, 1289548, 1537538, 2579096, 3075076, 3149473, 5158192, 6150152, 6298946, 9993997, 12300304, 12597892, 19987994, 25195784, 39975988, 40943149, 50391568, 79951976, 81886298, 97633663, 159903952, 163772596, 195267326, 327545192, 390534652, 655090384, 781069304, 1269237619, 1562138608, 2538475238, 5076950476, 10153900952, 20307801904]

約数ペア:

[(1, 20307801904), (2, 10153900952), (4, 5076950476), (8, 2538475238), (13, 1562138608), (16, 1269237619), (26, 781069304), (31, 655090384), (52, 390534652), (62, 327545192), (104, 195267326), (124, 163772596), (127, 159903952), (208, 97633663), (248, 81886298), (254, 79951976), (403, 50391568), (496, 40943149), (508, 39975988), (806, 25195784), (1016, 19987994), (1612, 12597892), (1651, 12300304), (2032, 9993997), (3224, 6298946), (3302, 6150152), (3937, 5158192), (6448, 3149473), (6604, 3075076), (7874, 2579096), (13208, 1537538), (15748, 1289548), (24799, 818896), (26416, 768769), (31496, 644774), (49598, 409448), (51181, 396784), (62992, 322387), (99196, 204724), (102362, 198392)]