20127555

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1$

素因数の和:118

約数の個数: 96

約数和(自身を含む): 43891200

約数和(自身を除く): 23763645

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 59, 63, 95, 105, 133, 135, 171, 177, 189, 285, 295, 315, 361, 399, 413, 513, 531, 665, 855, 885, 945, 1083, 1121, 1197, 1239, 1593, 1805, 1995, 2065, 2527, 2565, 2655, 3249, 3363, 3591, 3717, 5415, 5605, 5985, 6195, 7581, 7847, 7965, 9747, 10089, 11151, 12635, 16245, 16815, 17955, 18585, 21299, 22743, 23541, 30267, 37905, 39235, 48735, 50445, 55755, 63897, 68229, 70623, 106495, 113715, 117705, 149093, 151335, 191691, 211869, 319485, 341145, 353115, 447279, 575073, 745465, 958455, 1059345, 1341837, 2236395, 2875365, 4025511, 6709185, 20127555]

約数ペア:

[(1, 20127555), (3, 6709185), (5, 4025511), (7, 2875365), (9, 2236395), (15, 1341837), (19, 1059345), (21, 958455), (27, 745465), (35, 575073), (45, 447279), (57, 353115), (59, 341145), (63, 319485), (95, 211869), (105, 191691), (133, 151335), (135, 149093), (171, 117705), (177, 113715), (189, 106495), (285, 70623), (295, 68229), (315, 63897), (361, 55755), (399, 50445), (413, 48735), (513, 39235), (531, 37905), (665, 30267), (855, 23541), (885, 22743), (945, 21299), (1083, 18585), (1121, 17955), (1197, 16815), (1239, 16245), (1593, 12635), (1805, 11151), (1995, 10089), (2065, 9747), (2527, 7965), (2565, 7847), (2655, 7581), (3249, 6195), (3363, 5985), (3591, 5605), (3717, 5415)]