20951670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^2$

素因数の和:285

約数の個数: 48

約数和(自身を含む): 51590448

約数和(自身を除く): 30638778

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 107, 122, 183, 214, 305, 321, 366, 535, 610, 642, 915, 1070, 1605, 1830, 3210, 6527, 11449, 13054, 19581, 22898, 32635, 34347, 39162, 57245, 65270, 68694, 97905, 114490, 171735, 195810, 343470, 698389, 1396778, 2095167, 3491945, 4190334, 6983890, 10475835, 20951670]

約数ペア:

[(1, 20951670), (2, 10475835), (3, 6983890), (5, 4190334), (6, 3491945), (10, 2095167), (15, 1396778), (30, 698389), (61, 343470), (107, 195810), (122, 171735), (183, 114490), (214, 97905), (305, 68694), (321, 65270), (366, 57245), (535, 39162), (610, 34347), (642, 32635), (915, 22898), (1070, 19581), (1605, 13054), (1830, 11449), (3210, 6527)]