20735260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11393}}^1$

素因数の和:11422

約数の個数: 48

約数和(自身を含む): 53597376

約数和(自身を除く): 32862116

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 11393, 22786, 45572, 56965, 79751, 113930, 148109, 159502, 227860, 296218, 319004, 398755, 592436, 740545, 797510, 1036763, 1481090, 1595020, 2073526, 2962180, 4147052, 5183815, 10367630, 20735260]

約数ペア:

[(1, 20735260), (2, 10367630), (4, 5183815), (5, 4147052), (7, 2962180), (10, 2073526), (13, 1595020), (14, 1481090), (20, 1036763), (26, 797510), (28, 740545), (35, 592436), (52, 398755), (65, 319004), (70, 296218), (91, 227860), (130, 159502), (140, 148109), (182, 113930), (260, 79751), (364, 56965), (455, 45572), (910, 22786), (1820, 11393)]