20995198

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{463}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 37416960

約数和(自身を除く): 16421762

約数列:

[1, 2, 7, 14, 41, 79, 82, 158, 287, 463, 553, 574, 926, 1106, 3239, 3241, 6478, 6482, 18983, 22673, 36577, 37966, 45346, 73154, 132881, 256039, 265762, 512078, 1499657, 2999314, 10497599, 20995198]

約数ペア:

[(1, 20995198), (2, 10497599), (7, 2999314), (14, 1499657), (41, 512078), (79, 265762), (82, 256039), (158, 132881), (287, 73154), (463, 45346), (553, 37966), (574, 36577), (926, 22673), (1106, 18983), (3239, 6482), (3241, 6478)]