20456464

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9613}}^1$

素因数の和:9647

約数の個数: 40

約数和(自身を含む): 47685440

約数和(自身を除く): 27228976

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9613, 19226, 38452, 67291, 76904, 134582, 153808, 182647, 269164, 365294, 538328, 730588, 1076656, 1278529, 1461176, 2557058, 2922352, 5114116, 10228232, 20456464]

約数ペア:

[(1, 20456464), (2, 10228232), (4, 5114116), (7, 2922352), (8, 2557058), (14, 1461176), (16, 1278529), (19, 1076656), (28, 730588), (38, 538328), (56, 365294), (76, 269164), (112, 182647), (133, 153808), (152, 134582), (266, 76904), (304, 67291), (532, 38452), (1064, 19226), (2128, 9613)]