20168045150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1\times {\mathrm{797}}^1$

素因数の和:1290

約数の個数: 96

約数和(自身を含む): 41393600640

約数和(自身を除く): 21225555490

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 139, 275, 278, 331, 550, 662, 695, 797, 1390, 1529, 1594, 1655, 3058, 3310, 3475, 3641, 3985, 6950, 7282, 7645, 7970, 8275, 8767, 15290, 16550, 17534, 18205, 19925, 36410, 38225, 39850, 43835, 46009, 76450, 87670, 91025, 92018, 110783, 182050, 219175, 221566, 230045, 263807, 438350, 460090, 506099, 527614, 553915, 1012198, 1107830, 1150225, 1218613, 1319035, 2300450, 2437226, 2530495, 2638070, 2769575, 2901877, 5060990, 5539150, 5803754, 6093065, 6595175, 12186130, 12652475, 13190350, 14509385, 25304950, 29018770, 30465325, 36669173, 60930650, 72546925, 73338346, 145093850, 183345865, 366691730, 403360903, 806721806, 916729325, 1833458650, 2016804515, 4033609030, 10084022575, 20168045150]

約数ペア:

[(1, 20168045150), (2, 10084022575), (5, 4033609030), (10, 2016804515), (11, 1833458650), (22, 916729325), (25, 806721806), (50, 403360903), (55, 366691730), (110, 183345865), (139, 145093850), (275, 73338346), (278, 72546925), (331, 60930650), (550, 36669173), (662, 30465325), (695, 29018770), (797, 25304950), (1390, 14509385), (1529, 13190350), (1594, 12652475), (1655, 12186130), (3058, 6595175), (3310, 6093065), (3475, 5803754), (3641, 5539150), (3985, 5060990), (6950, 2901877), (7282, 2769575), (7645, 2638070), (7970, 2530495), (8275, 2437226), (8767, 2300450), (15290, 1319035), (16550, 1218613), (17534, 1150225), (18205, 1107830), (19925, 1012198), (36410, 553915), (38225, 527614), (39850, 506099), (43835, 460090), (46009, 438350), (76450, 263807), (87670, 230045), (91025, 221566), (92018, 219175), (110783, 182050)]