20165821767

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{9281}}^1$

素因数の和:9693

約数の個数: 72

約数和(自身を含む): 36590757840

約数和(自身を除く): 16424936073

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 379, 441, 637, 819, 1137, 1911, 2653, 3411, 4927, 5733, 7959, 9281, 14781, 18571, 23877, 27843, 34489, 44343, 55713, 64967, 83529, 103467, 120653, 167139, 194901, 241423, 310401, 361959, 454769, 584703, 724269, 844571, 1085877, 1364307, 2172807, 2533713, 3517499, 4092921, 5911997, 7601139, 10552497, 17735991, 24622493, 31657491, 45727487, 53207973, 73867479, 137182461, 172357451, 221602437, 320092409, 411547383, 517072353, 960277227, 1551217059, 2240646863, 2880831681, 6721940589, 20165821767]

約数ペア:

[(1, 20165821767), (3, 6721940589), (7, 2880831681), (9, 2240646863), (13, 1551217059), (21, 960277227), (39, 517072353), (49, 411547383), (63, 320092409), (91, 221602437), (117, 172357451), (147, 137182461), (273, 73867479), (379, 53207973), (441, 45727487), (637, 31657491), (819, 24622493), (1137, 17735991), (1911, 10552497), (2653, 7601139), (3411, 5911997), (4927, 4092921), (5733, 3517499), (7959, 2533713), (9281, 2172807), (14781, 1364307), (18571, 1085877), (23877, 844571), (27843, 724269), (34489, 584703), (44343, 454769), (55713, 361959), (64967, 310401), (83529, 241423), (103467, 194901), (120653, 167139)]