20976840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19423}}^1$

素因数の和:19443

約数の個数: 64

約数和(自身を含む): 69926400

約数和(自身を除く): 48949560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19423, 38846, 58269, 77692, 97115, 116538, 155384, 174807, 194230, 233076, 291345, 349614, 388460, 466152, 524421, 582690, 699228, 776920, 874035, 1048842, 1165380, 1398456, 1748070, 2097684, 2330760, 2622105, 3496140, 4195368, 5244210, 6992280, 10488420, 20976840]

約数ペア:

[(1, 20976840), (2, 10488420), (3, 6992280), (4, 5244210), (5, 4195368), (6, 3496140), (8, 2622105), (9, 2330760), (10, 2097684), (12, 1748070), (15, 1398456), (18, 1165380), (20, 1048842), (24, 874035), (27, 776920), (30, 699228), (36, 582690), (40, 524421), (45, 466152), (54, 388460), (60, 349614), (72, 291345), (90, 233076), (108, 194230), (120, 174807), (135, 155384), (180, 116538), (216, 97115), (270, 77692), (360, 58269), (540, 38846), (1080, 19423)]