20145924904

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{55117}}^1$

素因数の和:55298

約数の個数: 64

約数和(自身を含む): 44288415360

約数和(自身を除く): 24142490456

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 107, 122, 214, 244, 427, 428, 488, 749, 854, 856, 1498, 1708, 2996, 3416, 5992, 6527, 13054, 26108, 45689, 52216, 55117, 91378, 110234, 182756, 220468, 365512, 385819, 440936, 771638, 1543276, 3086552, 3362137, 5897519, 6724274, 11795038, 13448548, 23534959, 23590076, 26897096, 41282633, 47069918, 47180152, 82565266, 94139836, 165130532, 188279672, 330261064, 359748659, 719497318, 1438994636, 2518240613, 2877989272, 5036481226, 10072962452, 20145924904]

約数ペア:

[(1, 20145924904), (2, 10072962452), (4, 5036481226), (7, 2877989272), (8, 2518240613), (14, 1438994636), (28, 719497318), (56, 359748659), (61, 330261064), (107, 188279672), (122, 165130532), (214, 94139836), (244, 82565266), (427, 47180152), (428, 47069918), (488, 41282633), (749, 26897096), (854, 23590076), (856, 23534959), (1498, 13448548), (1708, 11795038), (2996, 6724274), (3416, 5897519), (5992, 3362137), (6527, 3086552), (13054, 1543276), (26108, 771638), (45689, 440936), (52216, 385819), (55117, 365512), (91378, 220468), (110234, 182756)]