20769513664

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{487}}^1\times {\mathrm{16253}}^1$

素因数の和:16793

約数の個数: 56

約数和(自身を含む): 42309031968

約数和(自身を除く): 21539518304

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 487, 656, 974, 1312, 1948, 2624, 3896, 7792, 15584, 16253, 19967, 31168, 32506, 39934, 65012, 79868, 130024, 159736, 260048, 319472, 520096, 638944, 666373, 1040192, 1277888, 1332746, 2665492, 5330984, 7915211, 10661968, 15830422, 21323936, 31660844, 42647872, 63321688, 126643376, 253286752, 324523651, 506573504, 649047302, 1298094604, 2596189208, 5192378416, 10384756832, 20769513664]

約数ペア:

[(1, 20769513664), (2, 10384756832), (4, 5192378416), (8, 2596189208), (16, 1298094604), (32, 649047302), (41, 506573504), (64, 324523651), (82, 253286752), (164, 126643376), (328, 63321688), (487, 42647872), (656, 31660844), (974, 21323936), (1312, 15830422), (1948, 10661968), (2624, 7915211), (3896, 5330984), (7792, 2665492), (15584, 1332746), (16253, 1277888), (19967, 1040192), (31168, 666373), (32506, 638944), (39934, 520096), (65012, 319472), (79868, 260048), (130024, 159736)]