20546040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1307}}^1$

素因数の和:1452

約数の個数: 64

約数和(自身を含む): 62156160

約数和(自身を除く): 41610120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1307, 1310, 1572, 1965, 2614, 2620, 3144, 3921, 3930, 5228, 5240, 6535, 7842, 7860, 10456, 13070, 15684, 15720, 19605, 26140, 31368, 39210, 52280, 78420, 156840, 171217, 342434, 513651, 684868, 856085, 1027302, 1369736, 1712170, 2054604, 2568255, 3424340, 4109208, 5136510, 6848680, 10273020, 20546040]

約数ペア:

[(1, 20546040), (2, 10273020), (3, 6848680), (4, 5136510), (5, 4109208), (6, 3424340), (8, 2568255), (10, 2054604), (12, 1712170), (15, 1369736), (20, 1027302), (24, 856085), (30, 684868), (40, 513651), (60, 342434), (120, 171217), (131, 156840), (262, 78420), (393, 52280), (524, 39210), (655, 31368), (786, 26140), (1048, 19605), (1307, 15720), (1310, 15684), (1572, 13070), (1965, 10456), (2614, 7860), (2620, 7842), (3144, 6535), (3921, 5240), (3930, 5228)]