20898360

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8293}}^1$

素因数の和:8317

約数の個数: 96

約数和(自身を含む): 77631840

約数和(自身を除く): 56733480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8293, 16586, 24879, 33172, 41465, 49758, 58051, 66344, 74637, 82930, 99516, 116102, 124395, 149274, 165860, 174153, 199032, 232204, 248790, 290255, 298548, 331720, 348306, 373185, 464408, 497580, 522459, 580510, 597096, 696612, 746370, 870765, 995160, 1044918, 1161020, 1393224, 1492740, 1741530, 2089836, 2322040, 2612295, 2985480, 3483060, 4179672, 5224590, 6966120, 10449180, 20898360]

約数ペア:

[(1, 20898360), (2, 10449180), (3, 6966120), (4, 5224590), (5, 4179672), (6, 3483060), (7, 2985480), (8, 2612295), (9, 2322040), (10, 2089836), (12, 1741530), (14, 1492740), (15, 1393224), (18, 1161020), (20, 1044918), (21, 995160), (24, 870765), (28, 746370), (30, 696612), (35, 597096), (36, 580510), (40, 522459), (42, 497580), (45, 464408), (56, 373185), (60, 348306), (63, 331720), (70, 298548), (72, 290255), (84, 248790), (90, 232204), (105, 199032), (120, 174153), (126, 165860), (140, 149274), (168, 124395), (180, 116102), (210, 99516), (252, 82930), (280, 74637), (315, 66344), (360, 58051), (420, 49758), (504, 41465), (630, 33172), (840, 24879), (1260, 16586), (2520, 8293)]