20798907675

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{7451}}^1$

素因数の和:7893

約数の個数: 96

約数和(自身を含む): 42432284160

約数和(自身を除く): 21633376485

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 175, 195, 273, 325, 409, 455, 525, 975, 1227, 1365, 2045, 2275, 2863, 5317, 6135, 6825, 7451, 8589, 10225, 14315, 15951, 22353, 26585, 30675, 37219, 37255, 42945, 52157, 71575, 79755, 96863, 111657, 111765, 132925, 156471, 186095, 186275, 214725, 260785, 290589, 398775, 484315, 558285, 558825, 678041, 782355, 930475, 1303925, 1452945, 2034123, 2421575, 2791425, 3047459, 3390205, 3911775, 7264725, 9142377, 10170615, 15237295, 16951025, 21332213, 39616967, 45711885, 50853075, 63996639, 76186475, 106661065, 118850901, 198084835, 228559425, 277318769, 319983195, 533305325, 594254505, 831956307, 990424175, 1386593845, 1599915975, 2971272525, 4159781535, 6932969225, 20798907675]

約数ペア:

[(1, 20798907675), (3, 6932969225), (5, 4159781535), (7, 2971272525), (13, 1599915975), (15, 1386593845), (21, 990424175), (25, 831956307), (35, 594254505), (39, 533305325), (65, 319983195), (75, 277318769), (91, 228559425), (105, 198084835), (175, 118850901), (195, 106661065), (273, 76186475), (325, 63996639), (409, 50853075), (455, 45711885), (525, 39616967), (975, 21332213), (1227, 16951025), (1365, 15237295), (2045, 10170615), (2275, 9142377), (2863, 7264725), (5317, 3911775), (6135, 3390205), (6825, 3047459), (7451, 2791425), (8589, 2421575), (10225, 2034123), (14315, 1452945), (15951, 1303925), (22353, 930475), (26585, 782355), (30675, 678041), (37219, 558825), (37255, 558285), (42945, 484315), (52157, 398775), (71575, 290589), (79755, 260785), (96863, 214725), (111657, 186275), (111765, 186095), (132925, 156471)]