20674290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7573}}^1$

素因数の和:7603

約数の個数: 64

約数和(自身を含む): 61076736

約数和(自身を除く): 40402446

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 7573, 15146, 22719, 37865, 45438, 53011, 75730, 98449, 106022, 113595, 159033, 196898, 227190, 265055, 295347, 318066, 492245, 530110, 590694, 689143, 795165, 984490, 1378286, 1476735, 1590330, 2067429, 2953470, 3445715, 4134858, 6891430, 10337145, 20674290]

約数ペア:

[(1, 20674290), (2, 10337145), (3, 6891430), (5, 4134858), (6, 3445715), (7, 2953470), (10, 2067429), (13, 1590330), (14, 1476735), (15, 1378286), (21, 984490), (26, 795165), (30, 689143), (35, 590694), (39, 530110), (42, 492245), (65, 318066), (70, 295347), (78, 265055), (91, 227190), (105, 196898), (130, 159033), (182, 113595), (195, 106022), (210, 98449), (273, 75730), (390, 53011), (455, 45438), (546, 37865), (910, 22719), (1365, 15146), (2730, 7573)]