20512101500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{14741}}^1$

素因数の和:14805

約数の個数: 144

約数和(自身を含む): 51385658688

約数和(自身を除く): 30873557188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 121, 125, 220, 230, 242, 250, 253, 275, 460, 484, 500, 506, 550, 575, 605, 1012, 1100, 1150, 1210, 1265, 1375, 2300, 2420, 2530, 2750, 2783, 2875, 3025, 5060, 5500, 5566, 5750, 6050, 6325, 11132, 11500, 12100, 12650, 13915, 14741, 15125, 25300, 27830, 29482, 30250, 31625, 55660, 58964, 60500, 63250, 69575, 73705, 126500, 139150, 147410, 162151, 278300, 294820, 324302, 339043, 347875, 368525, 648604, 678086, 695750, 737050, 810755, 1356172, 1391500, 1474100, 1621510, 1695215, 1783661, 1842625, 3243020, 3390430, 3567322, 3685250, 3729473, 4053775, 6780860, 7134644, 7370500, 7458946, 8107550, 8476075, 8918305, 14917892, 16215100, 16952150, 17836610, 18647365, 20268875, 33904300, 35673220, 37294730, 40537750, 41024203, 42380375, 44591525, 74589460, 81075500, 82048406, 84760750, 89183050, 93236825, 164096812, 169521500, 178366100, 186473650, 205121015, 222957625, 372947300, 410242030, 445915250, 466184125, 820484060, 891830500, 932368250, 1025605075, 1864736500, 2051210150, 4102420300, 5128025375, 10256050750, 20512101500]

約数ペア:

[(1, 20512101500), (2, 10256050750), (4, 5128025375), (5, 4102420300), (10, 2051210150), (11, 1864736500), (20, 1025605075), (22, 932368250), (23, 891830500), (25, 820484060), (44, 466184125), (46, 445915250), (50, 410242030), (55, 372947300), (92, 222957625), (100, 205121015), (110, 186473650), (115, 178366100), (121, 169521500), (125, 164096812), (220, 93236825), (230, 89183050), (242, 84760750), (250, 82048406), (253, 81075500), (275, 74589460), (460, 44591525), (484, 42380375), (500, 41024203), (506, 40537750), (550, 37294730), (575, 35673220), (605, 33904300), (1012, 20268875), (1100, 18647365), (1150, 17836610), (1210, 16952150), (1265, 16215100), (1375, 14917892), (2300, 8918305), (2420, 8476075), (2530, 8107550), (2750, 7458946), (2783, 7370500), (2875, 7134644), (3025, 6780860), (5060, 4053775), (5500, 3729473), (5566, 3685250), (5750, 3567322), (6050, 3390430), (6325, 3243020), (11132, 1842625), (11500, 1783661), (12100, 1695215), (12650, 1621510), (13915, 1474100), (14741, 1391500), (15125, 1356172), (25300, 810755), (27830, 737050), (29482, 695750), (30250, 678086), (31625, 648604), (55660, 368525), (58964, 347875), (60500, 339043), (63250, 324302), (69575, 294820), (73705, 278300), (126500, 162151), (139150, 147410)]