20923090370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{3121}}^1$

素因数の和:3340

約数の個数: 128

約数和(自身を含む): 47582277120

約数和(自身を除く): 26659186750

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 53, 65, 70, 91, 106, 130, 139, 182, 265, 278, 371, 455, 530, 689, 695, 742, 910, 973, 1378, 1390, 1807, 1855, 1946, 3121, 3445, 3614, 3710, 4823, 4865, 6242, 6890, 7367, 9035, 9646, 9730, 12649, 14734, 15605, 18070, 21847, 24115, 25298, 31210, 36835, 40573, 43694, 48230, 51569, 63245, 73670, 81146, 95771, 103138, 109235, 126490, 165413, 191542, 202865, 218470, 257845, 284011, 330826, 405730, 433819, 478855, 515690, 568022, 670397, 827065, 867638, 957710, 1157891, 1340794, 1420055, 1654130, 2150369, 2169095, 2315782, 2840110, 3036733, 3351985, 4300738, 4338190, 5639647, 5789455, 6073466, 6703970, 10751845, 11279294, 11578910, 15052583, 15183665, 21503690, 22992407, 28198235, 30105166, 30367330, 39477529, 45984814, 56396470, 75262915, 78955058, 114962035, 150525830, 160946849, 197387645, 229924070, 298901291, 321893698, 394775290, 597802582, 804734245, 1494506455, 1609468490, 2092309037, 2989012910, 4184618074, 10461545185, 20923090370]

約数ペア:

[(1, 20923090370), (2, 10461545185), (5, 4184618074), (7, 2989012910), (10, 2092309037), (13, 1609468490), (14, 1494506455), (26, 804734245), (35, 597802582), (53, 394775290), (65, 321893698), (70, 298901291), (91, 229924070), (106, 197387645), (130, 160946849), (139, 150525830), (182, 114962035), (265, 78955058), (278, 75262915), (371, 56396470), (455, 45984814), (530, 39477529), (689, 30367330), (695, 30105166), (742, 28198235), (910, 22992407), (973, 21503690), (1378, 15183665), (1390, 15052583), (1807, 11578910), (1855, 11279294), (1946, 10751845), (3121, 6703970), (3445, 6073466), (3614, 5789455), (3710, 5639647), (4823, 4338190), (4865, 4300738), (6242, 3351985), (6890, 3036733), (7367, 2840110), (9035, 2315782), (9646, 2169095), (9730, 2150369), (12649, 1654130), (14734, 1420055), (15605, 1340794), (18070, 1157891), (21847, 957710), (24115, 867638), (25298, 827065), (31210, 670397), (36835, 568022), (40573, 515690), (43694, 478855), (48230, 433819), (51569, 405730), (63245, 330826), (73670, 284011), (81146, 257845), (95771, 218470), (103138, 202865), (109235, 191542), (126490, 165413)]