20804501214

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{390343}}^1$

素因数の和:390411

約数の個数: 80

約数和(自身を含む): 54410830848

約数和(自身を除く): 33606329634

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 47, 54, 63, 81, 94, 126, 141, 162, 189, 282, 329, 378, 423, 567, 658, 846, 987, 1134, 1269, 1974, 2538, 2961, 3807, 5922, 7614, 8883, 17766, 26649, 53298, 390343, 780686, 1171029, 2342058, 2732401, 3513087, 5464802, 7026174, 8197203, 10539261, 16394406, 18346121, 21078522, 24591609, 31617783, 36692242, 49183218, 55038363, 63235566, 73774827, 110076726, 128422847, 147549654, 165115089, 221324481, 256845694, 330230178, 385268541, 442648962, 495345267, 770537082, 990690534, 1155805623, 1486035801, 2311611246, 2972071602, 3467416869, 6934833738, 10402250607, 20804501214]

約数ペア:

[(1, 20804501214), (2, 10402250607), (3, 6934833738), (6, 3467416869), (7, 2972071602), (9, 2311611246), (14, 1486035801), (18, 1155805623), (21, 990690534), (27, 770537082), (42, 495345267), (47, 442648962), (54, 385268541), (63, 330230178), (81, 256845694), (94, 221324481), (126, 165115089), (141, 147549654), (162, 128422847), (189, 110076726), (282, 73774827), (329, 63235566), (378, 55038363), (423, 49183218), (567, 36692242), (658, 31617783), (846, 24591609), (987, 21078522), (1134, 18346121), (1269, 16394406), (1974, 10539261), (2538, 8197203), (2961, 7026174), (3807, 5464802), (5922, 3513087), (7614, 2732401), (8883, 2342058), (17766, 1171029), (26649, 780686), (53298, 390343)]