20147248611

素因数分解:

$3^3\times 7^2\times {\mathrm{73}}^1\times {\mathrm{208609}}^1$

素因数の和:208705

約数の個数: 48

約数和(自身を含む): 35196679200

約数和(自身を除く): 15049430589

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 73, 147, 189, 219, 441, 511, 657, 1323, 1533, 1971, 3577, 4599, 10731, 13797, 32193, 96579, 208609, 625827, 1460263, 1877481, 4380789, 5632443, 10221841, 13142367, 15228457, 30665523, 39427101, 45685371, 91996569, 106599199, 137056113, 275989707, 319797597, 411168339, 746194393, 959392791, 2238583179, 2878178373, 6715749537, 20147248611]

約数ペア:

[(1, 20147248611), (3, 6715749537), (7, 2878178373), (9, 2238583179), (21, 959392791), (27, 746194393), (49, 411168339), (63, 319797597), (73, 275989707), (147, 137056113), (189, 106599199), (219, 91996569), (441, 45685371), (511, 39427101), (657, 30665523), (1323, 15228457), (1533, 13142367), (1971, 10221841), (3577, 5632443), (4599, 4380789), (10731, 1877481), (13797, 1460263), (32193, 625827), (96579, 208609)]