20751723900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{117043}}^1$

素因数の和:117260

約数の個数: 108

約数和(自身を含む): 65375862552

約数和(自身を除く): 44624138652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 197, 225, 300, 394, 450, 591, 788, 900, 985, 1182, 1773, 1970, 2364, 2955, 3546, 3940, 4925, 5910, 7092, 8865, 9850, 11820, 14775, 17730, 19700, 29550, 35460, 44325, 59100, 88650, 117043, 177300, 234086, 351129, 468172, 585215, 702258, 1053387, 1170430, 1404516, 1755645, 2106774, 2340860, 2926075, 3511290, 4213548, 5266935, 5852150, 7022580, 8778225, 10533870, 11704300, 17556450, 21067740, 23057471, 26334675, 35112900, 46114942, 52669350, 69172413, 92229884, 105338700, 115287355, 138344826, 207517239, 230574710, 276689652, 345862065, 415034478, 461149420, 576436775, 691724130, 830068956, 1037586195, 1152873550, 1383448260, 1729310325, 2075172390, 2305747100, 3458620650, 4150344780, 5187930975, 6917241300, 10375861950, 20751723900]

約数ペア:

[(1, 20751723900), (2, 10375861950), (3, 6917241300), (4, 5187930975), (5, 4150344780), (6, 3458620650), (9, 2305747100), (10, 2075172390), (12, 1729310325), (15, 1383448260), (18, 1152873550), (20, 1037586195), (25, 830068956), (30, 691724130), (36, 576436775), (45, 461149420), (50, 415034478), (60, 345862065), (75, 276689652), (90, 230574710), (100, 207517239), (150, 138344826), (180, 115287355), (197, 105338700), (225, 92229884), (300, 69172413), (394, 52669350), (450, 46114942), (591, 35112900), (788, 26334675), (900, 23057471), (985, 21067740), (1182, 17556450), (1773, 11704300), (1970, 10533870), (2364, 8778225), (2955, 7022580), (3546, 5852150), (3940, 5266935), (4925, 4213548), (5910, 3511290), (7092, 2926075), (8865, 2340860), (9850, 2106774), (11820, 1755645), (14775, 1404516), (17730, 1170430), (19700, 1053387), (29550, 702258), (35460, 585215), (44325, 468172), (59100, 351129), (88650, 234086), (117043, 177300)]