20180558265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{19759}}^1$

素因数の和:19982

約数の個数: 64

約数和(自身を含む): 37696389120

約数和(自身を除く): 17515830855

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 137, 213, 355, 411, 497, 685, 959, 1065, 1491, 2055, 2485, 2877, 4795, 7455, 9727, 14385, 19759, 29181, 48635, 59277, 68089, 98795, 138313, 145905, 204267, 296385, 340445, 414939, 691565, 1021335, 1402889, 2074695, 2706983, 4208667, 7014445, 8120949, 9820223, 13534915, 18948881, 21043335, 29460669, 40604745, 49101115, 56846643, 94744405, 147303345, 192195793, 284233215, 576587379, 960978965, 1345370551, 2882936895, 4036111653, 6726852755, 20180558265]

約数ペア:

[(1, 20180558265), (3, 6726852755), (5, 4036111653), (7, 2882936895), (15, 1345370551), (21, 960978965), (35, 576587379), (71, 284233215), (105, 192195793), (137, 147303345), (213, 94744405), (355, 56846643), (411, 49101115), (497, 40604745), (685, 29460669), (959, 21043335), (1065, 18948881), (1491, 13534915), (2055, 9820223), (2485, 8120949), (2877, 7014445), (4795, 4208667), (7455, 2706983), (9727, 2074695), (14385, 1402889), (19759, 1021335), (29181, 691565), (48635, 414939), (59277, 340445), (68089, 296385), (98795, 204267), (138313, 145905)]