20865465900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{317587}}^1$

素因数の和:317680

約数の個数: 108

約数和(自身を含む): 66297765352

約数和(自身を除く): 45432299452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 73, 75, 90, 100, 146, 150, 180, 219, 225, 292, 300, 365, 438, 450, 657, 730, 876, 900, 1095, 1314, 1460, 1825, 2190, 2628, 3285, 3650, 4380, 5475, 6570, 7300, 10950, 13140, 16425, 21900, 32850, 65700, 317587, 635174, 952761, 1270348, 1587935, 1905522, 2858283, 3175870, 3811044, 4763805, 5716566, 6351740, 7939675, 9527610, 11433132, 14291415, 15879350, 19055220, 23183851, 23819025, 28582830, 31758700, 46367702, 47638050, 57165660, 69551553, 71457075, 92735404, 95276100, 115919255, 139103106, 142914150, 208654659, 231838510, 278206212, 285828300, 347757765, 417309318, 463677020, 579596275, 695515530, 834618636, 1043273295, 1159192550, 1391031060, 1738788825, 2086546590, 2318385100, 3477577650, 4173093180, 5216366475, 6955155300, 10432732950, 20865465900]

約数ペア:

[(1, 20865465900), (2, 10432732950), (3, 6955155300), (4, 5216366475), (5, 4173093180), (6, 3477577650), (9, 2318385100), (10, 2086546590), (12, 1738788825), (15, 1391031060), (18, 1159192550), (20, 1043273295), (25, 834618636), (30, 695515530), (36, 579596275), (45, 463677020), (50, 417309318), (60, 347757765), (73, 285828300), (75, 278206212), (90, 231838510), (100, 208654659), (146, 142914150), (150, 139103106), (180, 115919255), (219, 95276100), (225, 92735404), (292, 71457075), (300, 69551553), (365, 57165660), (438, 47638050), (450, 46367702), (657, 31758700), (730, 28582830), (876, 23819025), (900, 23183851), (1095, 19055220), (1314, 15879350), (1460, 14291415), (1825, 11433132), (2190, 9527610), (2628, 7939675), (3285, 6351740), (3650, 5716566), (4380, 4763805), (5475, 3811044), (6570, 3175870), (7300, 2858283), (10950, 1905522), (13140, 1587935), (16425, 1270348), (21900, 952761), (32850, 635174), (65700, 317587)]