20187870090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1\times {\mathrm{2293}}^1$

素因数の和:2664

約数の個数: 128

約数和(自身を含む): 52349006592

約数和(自身を除く): 32161136502

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 61, 85, 102, 122, 170, 183, 255, 283, 305, 366, 510, 566, 610, 849, 915, 1037, 1415, 1698, 1830, 2074, 2293, 2830, 3111, 4245, 4586, 4811, 5185, 6222, 6879, 8490, 9622, 10370, 11465, 13758, 14433, 15555, 17263, 22930, 24055, 28866, 31110, 34395, 34526, 38981, 48110, 51789, 68790, 72165, 77962, 86315, 103578, 116943, 139873, 144330, 172630, 194905, 233886, 258945, 279746, 293471, 389810, 419619, 517890, 584715, 586942, 648919, 699365, 839238, 880413, 1169430, 1297838, 1398730, 1467355, 1760826, 1946757, 2098095, 2377841, 2934710, 3244595, 3893514, 4196190, 4402065, 4755682, 6489190, 7133523, 8804130, 9733785, 11031623, 11889205, 14267046, 19467570, 22063246, 23778410, 33094869, 35667615, 39584059, 55158115, 66189738, 71335230, 79168118, 110316230, 118752177, 165474345, 197920295, 237504354, 330948690, 395840590, 593760885, 672929003, 1187521770, 1345858006, 2018787009, 3364645015, 4037574018, 6729290030, 10093935045, 20187870090]

約数ペア:

[(1, 20187870090), (2, 10093935045), (3, 6729290030), (5, 4037574018), (6, 3364645015), (10, 2018787009), (15, 1345858006), (17, 1187521770), (30, 672929003), (34, 593760885), (51, 395840590), (61, 330948690), (85, 237504354), (102, 197920295), (122, 165474345), (170, 118752177), (183, 110316230), (255, 79168118), (283, 71335230), (305, 66189738), (366, 55158115), (510, 39584059), (566, 35667615), (610, 33094869), (849, 23778410), (915, 22063246), (1037, 19467570), (1415, 14267046), (1698, 11889205), (1830, 11031623), (2074, 9733785), (2293, 8804130), (2830, 7133523), (3111, 6489190), (4245, 4755682), (4586, 4402065), (4811, 4196190), (5185, 3893514), (6222, 3244595), (6879, 2934710), (8490, 2377841), (9622, 2098095), (10370, 1946757), (11465, 1760826), (13758, 1467355), (14433, 1398730), (15555, 1297838), (17263, 1169430), (22930, 880413), (24055, 839238), (28866, 699365), (31110, 648919), (34395, 586942), (34526, 584715), (38981, 517890), (48110, 419619), (51789, 389810), (68790, 293471), (72165, 279746), (77962, 258945), (86315, 233886), (103578, 194905), (116943, 172630), (139873, 144330)]