20929449968

素因数分解:

$2^4\times 7^2\times {\mathrm{641}}^1\times {\mathrm{41647}}^1$

素因数の和:42310

約数の個数: 60

約数和(自身を含む): 47246074272

約数和(自身を除く): 26316624304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 641, 784, 1282, 2564, 4487, 5128, 8974, 10256, 17948, 31409, 35896, 41647, 62818, 71792, 83294, 125636, 166588, 251272, 291529, 333176, 502544, 583058, 666352, 1166116, 2040703, 2332232, 4081406, 4664464, 8162812, 16325624, 26695727, 32651248, 53391454, 106782908, 186870089, 213565816, 373740178, 427131632, 747480356, 1308090623, 1494960712, 2616181246, 2989921424, 5232362492, 10464724984, 20929449968]

約数ペア:

[(1, 20929449968), (2, 10464724984), (4, 5232362492), (7, 2989921424), (8, 2616181246), (14, 1494960712), (16, 1308090623), (28, 747480356), (49, 427131632), (56, 373740178), (98, 213565816), (112, 186870089), (196, 106782908), (392, 53391454), (641, 32651248), (784, 26695727), (1282, 16325624), (2564, 8162812), (4487, 4664464), (5128, 4081406), (8974, 2332232), (10256, 2040703), (17948, 1166116), (31409, 666352), (35896, 583058), (41647, 502544), (62818, 333176), (71792, 291529), (83294, 251272), (125636, 166588)]