20676896

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:417

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 22868704

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 191, 199, 272, 382, 398, 544, 764, 796, 1528, 1592, 3056, 3184, 3247, 3383, 6112, 6368, 6494, 6766, 12988, 13532, 25976, 27064, 38009, 51952, 54128, 76018, 103904, 108256, 152036, 304072, 608144, 646153, 1216288, 1292306, 2584612, 5169224, 10338448, 20676896]

約数ペア:

[(1, 20676896), (2, 10338448), (4, 5169224), (8, 2584612), (16, 1292306), (17, 1216288), (32, 646153), (34, 608144), (68, 304072), (136, 152036), (191, 108256), (199, 103904), (272, 76018), (382, 54128), (398, 51952), (544, 38009), (764, 27064), (796, 25976), (1528, 13532), (1592, 12988), (3056, 6766), (3184, 6494), (3247, 6368), (3383, 6112)]