20218683807

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5693}}^1$

素因数の和:5794

約数の個数: 128

約数和(自身を含む): 38482329600

約数和(自身を除く): 18263645793

約数列:

[1, 3, 7, 9, 19, 21, 23, 27, 43, 57, 63, 69, 129, 133, 161, 171, 189, 207, 301, 387, 399, 437, 483, 513, 621, 817, 903, 989, 1161, 1197, 1311, 1449, 2451, 2709, 2967, 3059, 3591, 3933, 4347, 5693, 5719, 6923, 7353, 8127, 8901, 9177, 11799, 17079, 17157, 18791, 20769, 22059, 26703, 27531, 39851, 51237, 51471, 56373, 62307, 82593, 108167, 119553, 130939, 131537, 153711, 154413, 169119, 186921, 244799, 324501, 358659, 392817, 394611, 507357, 734397, 757169, 916573, 973503, 1075977, 1178451, 1183833, 1713593, 2203191, 2271507, 2487841, 2749719, 2920509, 3535353, 3551499, 4651181, 5140779, 5630377, 6609573, 6814521, 7463523, 8249157, 13953543, 15422337, 16891131, 17414887, 20443563, 22390569, 24747471, 32558267, 39412639, 41860629, 46267011, 50673393, 52244661, 67171707, 97674801, 106977163, 118237917, 125581887, 152020179, 156733983, 293024403, 320931489, 354713751, 470201949, 748840141, 879073209, 962794467, 1064141253, 2246520423, 2888383401, 6739561269, 20218683807]

約数ペア:

[(1, 20218683807), (3, 6739561269), (7, 2888383401), (9, 2246520423), (19, 1064141253), (21, 962794467), (23, 879073209), (27, 748840141), (43, 470201949), (57, 354713751), (63, 320931489), (69, 293024403), (129, 156733983), (133, 152020179), (161, 125581887), (171, 118237917), (189, 106977163), (207, 97674801), (301, 67171707), (387, 52244661), (399, 50673393), (437, 46267011), (483, 41860629), (513, 39412639), (621, 32558267), (817, 24747471), (903, 22390569), (989, 20443563), (1161, 17414887), (1197, 16891131), (1311, 15422337), (1449, 13953543), (2451, 8249157), (2709, 7463523), (2967, 6814521), (3059, 6609573), (3591, 5630377), (3933, 5140779), (4347, 4651181), (5693, 3551499), (5719, 3535353), (6923, 2920509), (7353, 2749719), (8127, 2487841), (8901, 2271507), (9177, 2203191), (11799, 1713593), (17079, 1183833), (17157, 1178451), (18791, 1075977), (20769, 973503), (22059, 916573), (26703, 757169), (27531, 734397), (39851, 507357), (51237, 394611), (51471, 392817), (56373, 358659), (62307, 324501), (82593, 244799), (108167, 186921), (119553, 169119), (130939, 154413), (131537, 153711)]