20766780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{4273}}^1$

素因数の和:4297

約数の個数: 72

約数和(自身を含む): 65340912

約数和(自身を除く): 44574132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4273, 4860, 8546, 12819, 17092, 21365, 25638, 38457, 42730, 51276, 64095, 76914, 85460, 115371, 128190, 153828, 192285, 230742, 256380, 346113, 384570, 461484, 576855, 692226, 769140, 1038339, 1153710, 1384452, 1730565, 2076678, 2307420, 3461130, 4153356, 5191695, 6922260, 10383390, 20766780]

約数ペア:

[(1, 20766780), (2, 10383390), (3, 6922260), (4, 5191695), (5, 4153356), (6, 3461130), (9, 2307420), (10, 2076678), (12, 1730565), (15, 1384452), (18, 1153710), (20, 1038339), (27, 769140), (30, 692226), (36, 576855), (45, 461484), (54, 384570), (60, 346113), (81, 256380), (90, 230742), (108, 192285), (135, 153828), (162, 128190), (180, 115371), (243, 85460), (270, 76914), (324, 64095), (405, 51276), (486, 42730), (540, 38457), (810, 25638), (972, 21365), (1215, 17092), (1620, 12819), (2430, 8546), (4273, 4860)]