20774358

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{439}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 49420800

約数和(自身を除く): 28646442

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 239, 439, 478, 717, 878, 1317, 1434, 2151, 2629, 2634, 3951, 4302, 4829, 5258, 7887, 7902, 9658, 14487, 15774, 23661, 28974, 43461, 47322, 86922, 104921, 209842, 314763, 629526, 944289, 1154131, 1888578, 2308262, 3462393, 6924786, 10387179, 20774358]

約数ペア:

[(1, 20774358), (2, 10387179), (3, 6924786), (6, 3462393), (9, 2308262), (11, 1888578), (18, 1154131), (22, 944289), (33, 629526), (66, 314763), (99, 209842), (198, 104921), (239, 86922), (439, 47322), (478, 43461), (717, 28974), (878, 23661), (1317, 15774), (1434, 14487), (2151, 9658), (2629, 7902), (2634, 7887), (3951, 5258), (4302, 4829)]