20215402578

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{3527}}^1$

素因数の和:3861

約数の個数: 128

約数和(自身を含む): 52428902400

約数和(自身を除く): 32213499822

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 59, 63, 118, 126, 177, 189, 257, 354, 378, 413, 514, 531, 771, 826, 1062, 1239, 1542, 1593, 1799, 2313, 2478, 3186, 3527, 3598, 3717, 4626, 5397, 6939, 7054, 7434, 10581, 10794, 11151, 13878, 15163, 16191, 21162, 22302, 24689, 30326, 31743, 32382, 45489, 48573, 49378, 63486, 74067, 90978, 95229, 97146, 106141, 136467, 148134, 190458, 208093, 212282, 222201, 272934, 318423, 409401, 416186, 444402, 624279, 636846, 666603, 818802, 906439, 955269, 1248558, 1333206, 1456651, 1812878, 1872837, 1910538, 2719317, 2865807, 2913302, 3745674, 4369953, 5438634, 5618511, 5731614, 6345073, 8157951, 8739906, 11237022, 12690146, 13109859, 16315902, 19035219, 24473853, 26219718, 38070438, 39329577, 48947706, 53479901, 57105657, 78659154, 106959802, 114211314, 160439703, 171316971, 320879406, 342633942, 374359307, 481319109, 748718614, 962638218, 1123077921, 1443957327, 2246155842, 2887914654, 3369233763, 6738467526, 10107701289, 20215402578]

約数ペア:

[(1, 20215402578), (2, 10107701289), (3, 6738467526), (6, 3369233763), (7, 2887914654), (9, 2246155842), (14, 1443957327), (18, 1123077921), (21, 962638218), (27, 748718614), (42, 481319109), (54, 374359307), (59, 342633942), (63, 320879406), (118, 171316971), (126, 160439703), (177, 114211314), (189, 106959802), (257, 78659154), (354, 57105657), (378, 53479901), (413, 48947706), (514, 39329577), (531, 38070438), (771, 26219718), (826, 24473853), (1062, 19035219), (1239, 16315902), (1542, 13109859), (1593, 12690146), (1799, 11237022), (2313, 8739906), (2478, 8157951), (3186, 6345073), (3527, 5731614), (3598, 5618511), (3717, 5438634), (4626, 4369953), (5397, 3745674), (6939, 2913302), (7054, 2865807), (7434, 2719317), (10581, 1910538), (10794, 1872837), (11151, 1812878), (13878, 1456651), (15163, 1333206), (16191, 1248558), (21162, 955269), (22302, 906439), (24689, 818802), (30326, 666603), (31743, 636846), (32382, 624279), (45489, 444402), (48573, 416186), (49378, 409401), (63486, 318423), (74067, 272934), (90978, 222201), (95229, 212282), (97146, 208093), (106141, 190458), (136467, 148134)]