20407842

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4153}}^1$

素因数の和:4184

約数の個数: 64

約数和(自身を含む): 55829760

約数和(自身を除く): 35421918

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4153, 4914, 8306, 12459, 24918, 29071, 37377, 53989, 58142, 74754, 87213, 107978, 112131, 161967, 174426, 224262, 261639, 323934, 377923, 485901, 523278, 755846, 784917, 971802, 1133769, 1457703, 1569834, 2267538, 2915406, 3401307, 6802614, 10203921, 20407842]

約数ペア:

[(1, 20407842), (2, 10203921), (3, 6802614), (6, 3401307), (7, 2915406), (9, 2267538), (13, 1569834), (14, 1457703), (18, 1133769), (21, 971802), (26, 784917), (27, 755846), (39, 523278), (42, 485901), (54, 377923), (63, 323934), (78, 261639), (91, 224262), (117, 174426), (126, 161967), (182, 112131), (189, 107978), (234, 87213), (273, 74754), (351, 58142), (378, 53989), (546, 37377), (702, 29071), (819, 24918), (1638, 12459), (2457, 8306), (4153, 4914)]