20175895719

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1031}}^1\times {\mathrm{2203}}^1$

素因数の和:3297

約数の個数: 64

約数和(自身を含む): 34936750080

約数和(自身を除く): 14760854361

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1031, 1269, 2203, 2961, 3093, 6609, 7217, 8883, 9279, 15421, 19827, 21651, 27837, 46263, 48457, 59481, 64953, 103541, 138789, 145371, 194859, 310623, 339199, 416367, 436113, 724787, 931869, 1017597, 1308339, 2174361, 2271293, 2795607, 3052791, 6523083, 6813879, 9158373, 15899051, 19569249, 20441637, 47697153, 61324911, 106750771, 143091459, 320252313, 429274377, 747255397, 960756939, 2241766191, 2882270817, 6725298573, 20175895719]

約数ペア:

[(1, 20175895719), (3, 6725298573), (7, 2882270817), (9, 2241766191), (21, 960756939), (27, 747255397), (47, 429274377), (63, 320252313), (141, 143091459), (189, 106750771), (329, 61324911), (423, 47697153), (987, 20441637), (1031, 19569249), (1269, 15899051), (2203, 9158373), (2961, 6813879), (3093, 6523083), (6609, 3052791), (7217, 2795607), (8883, 2271293), (9279, 2174361), (15421, 1308339), (19827, 1017597), (21651, 931869), (27837, 724787), (46263, 436113), (48457, 416367), (59481, 339199), (64953, 310623), (103541, 194859), (138789, 145371)]