20449308

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 34708452

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 53, 66, 74, 79, 106, 111, 132, 148, 158, 159, 212, 222, 237, 316, 318, 407, 444, 474, 583, 636, 814, 869, 948, 1166, 1221, 1628, 1738, 1749, 1961, 2332, 2442, 2607, 2923, 3476, 3498, 3922, 4187, 4884, 5214, 5846, 5883, 6996, 7844, 8374, 8769, 10428, 11692, 11766, 12561, 16748, 17538, 21571, 23532, 25122, 32153, 35076, 43142, 46057, 50244, 64306, 64713, 86284, 92114, 96459, 128612, 129426, 138171, 154919, 184228, 192918, 258852, 276342, 309838, 385836, 464757, 552684, 619676, 929514, 1704109, 1859028, 3408218, 5112327, 6816436, 10224654, 20449308]

約数ペア:

[(1, 20449308), (2, 10224654), (3, 6816436), (4, 5112327), (6, 3408218), (11, 1859028), (12, 1704109), (22, 929514), (33, 619676), (37, 552684), (44, 464757), (53, 385836), (66, 309838), (74, 276342), (79, 258852), (106, 192918), (111, 184228), (132, 154919), (148, 138171), (158, 129426), (159, 128612), (212, 96459), (222, 92114), (237, 86284), (316, 64713), (318, 64306), (407, 50244), (444, 46057), (474, 43142), (583, 35076), (636, 32153), (814, 25122), (869, 23532), (948, 21571), (1166, 17538), (1221, 16748), (1628, 12561), (1738, 11766), (1749, 11692), (1961, 10428), (2332, 8769), (2442, 8374), (2607, 7844), (2923, 6996), (3476, 5883), (3498, 5846), (3922, 5214), (4187, 4884)]