20563270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{383}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 25885370

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 59, 65, 70, 91, 118, 130, 182, 295, 383, 413, 455, 590, 766, 767, 826, 910, 1534, 1915, 2065, 2681, 3830, 3835, 4130, 4979, 5362, 5369, 7670, 9958, 10738, 13405, 22597, 24895, 26810, 26845, 34853, 45194, 49790, 53690, 69706, 112985, 158179, 174265, 225970, 293761, 316358, 348530, 587522, 790895, 1468805, 1581790, 2056327, 2937610, 4112654, 10281635, 20563270]

約数ペア:

[(1, 20563270), (2, 10281635), (5, 4112654), (7, 2937610), (10, 2056327), (13, 1581790), (14, 1468805), (26, 790895), (35, 587522), (59, 348530), (65, 316358), (70, 293761), (91, 225970), (118, 174265), (130, 158179), (182, 112985), (295, 69706), (383, 53690), (413, 49790), (455, 45194), (590, 34853), (766, 26845), (767, 26810), (826, 24895), (910, 22597), (1534, 13405), (1915, 10738), (2065, 9958), (2681, 7670), (3830, 5369), (3835, 5362), (4130, 4979)]