20138025684

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{2609}}^1\times {\mathrm{13127}}^1$

素因数の和:15757

約数の個数: 72

約数和(自身を含む): 54685471680

約数和(自身を除く): 34547445996

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 2609, 5218, 7827, 10436, 13127, 15654, 18263, 26254, 31308, 36526, 39381, 52508, 54789, 73052, 78762, 91889, 109578, 127841, 157524, 183778, 219156, 255682, 275667, 367556, 383523, 511364, 551334, 643223, 767046, 1102668, 1286446, 1534092, 1929669, 2572892, 3859338, 7718676, 34248343, 68496686, 102745029, 136993372, 205490058, 239738401, 410980116, 479476802, 719215203, 958953604, 1438430406, 1678168807, 2876860812, 3356337614, 5034506421, 6712675228, 10069012842, 20138025684]

約数ペア:

[(1, 20138025684), (2, 10069012842), (3, 6712675228), (4, 5034506421), (6, 3356337614), (7, 2876860812), (12, 1678168807), (14, 1438430406), (21, 958953604), (28, 719215203), (42, 479476802), (49, 410980116), (84, 239738401), (98, 205490058), (147, 136993372), (196, 102745029), (294, 68496686), (588, 34248343), (2609, 7718676), (5218, 3859338), (7827, 2572892), (10436, 1929669), (13127, 1534092), (15654, 1286446), (18263, 1102668), (26254, 767046), (31308, 643223), (36526, 551334), (39381, 511364), (52508, 383523), (54789, 367556), (73052, 275667), (78762, 255682), (91889, 219156), (109578, 183778), (127841, 157524)]