20176986555

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{439}}^1$

素因数の和:862

約数の個数: 144

約数和(自身を含む): 40314193920

約数和(自身を除く): 20137207365

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 45, 55, 69, 99, 115, 121, 165, 207, 253, 345, 363, 367, 439, 495, 605, 759, 1035, 1089, 1101, 1265, 1317, 1815, 1835, 2195, 2277, 2783, 3303, 3795, 3951, 4037, 4829, 5445, 5505, 6585, 8349, 8441, 10097, 11385, 12111, 13915, 14487, 16515, 19755, 20185, 24145, 25047, 25323, 30291, 36333, 41745, 42205, 43461, 44407, 50485, 53119, 60555, 72435, 75969, 90873, 92851, 111067, 125235, 126615, 133221, 151455, 159357, 161113, 181665, 217305, 222035, 265595, 278553, 333201, 379845, 399663, 454365, 464255, 478071, 483339, 555335, 666105, 796785, 805565, 835659, 999603, 1021361, 1221737, 1392765, 1450017, 1666005, 1772243, 1998315, 2390355, 2416695, 3064083, 3665211, 3705599, 4178295, 4998015, 5106805, 5316729, 6108685, 7250085, 8861215, 9192249, 10995633, 11116797, 15320415, 15950187, 18326055, 18527995, 19494673, 26583645, 33350391, 40761589, 45961245, 54978165, 55583985, 58484019, 79750935, 97473365, 122284767, 166751955, 175452057, 203807945, 292420095, 366854301, 448377479, 611423835, 877260285, 1345132437, 1834271505, 2241887395, 4035397311, 6725662185, 20176986555]

約数ペア:

[(1, 20176986555), (3, 6725662185), (5, 4035397311), (9, 2241887395), (11, 1834271505), (15, 1345132437), (23, 877260285), (33, 611423835), (45, 448377479), (55, 366854301), (69, 292420095), (99, 203807945), (115, 175452057), (121, 166751955), (165, 122284767), (207, 97473365), (253, 79750935), (345, 58484019), (363, 55583985), (367, 54978165), (439, 45961245), (495, 40761589), (605, 33350391), (759, 26583645), (1035, 19494673), (1089, 18527995), (1101, 18326055), (1265, 15950187), (1317, 15320415), (1815, 11116797), (1835, 10995633), (2195, 9192249), (2277, 8861215), (2783, 7250085), (3303, 6108685), (3795, 5316729), (3951, 5106805), (4037, 4998015), (4829, 4178295), (5445, 3705599), (5505, 3665211), (6585, 3064083), (8349, 2416695), (8441, 2390355), (10097, 1998315), (11385, 1772243), (12111, 1666005), (13915, 1450017), (14487, 1392765), (16515, 1221737), (19755, 1021361), (20185, 999603), (24145, 835659), (25047, 805565), (25323, 796785), (30291, 666105), (36333, 555335), (41745, 483339), (42205, 478071), (43461, 464255), (44407, 454365), (50485, 399663), (53119, 379845), (60555, 333201), (72435, 278553), (75969, 265595), (90873, 222035), (92851, 217305), (111067, 181665), (125235, 161113), (126615, 159357), (133221, 151455)]