20129557756

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{610801}}^1$

素因数の和:610930

約数の個数: 48

約数和(自身を含む): 44329565952

約数和(自身を除く): 24200008196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 107, 154, 214, 308, 428, 749, 1177, 1498, 2354, 2996, 4708, 8239, 16478, 32956, 610801, 1221602, 2443204, 4275607, 6718811, 8551214, 13437622, 17102428, 26875244, 47031677, 65355707, 94063354, 130711414, 188126708, 261422828, 457489949, 718912777, 914979898, 1437825554, 1829959796, 2875651108, 5032389439, 10064778878, 20129557756]

約数ペア:

[(1, 20129557756), (2, 10064778878), (4, 5032389439), (7, 2875651108), (11, 1829959796), (14, 1437825554), (22, 914979898), (28, 718912777), (44, 457489949), (77, 261422828), (107, 188126708), (154, 130711414), (214, 94063354), (308, 65355707), (428, 47031677), (749, 26875244), (1177, 17102428), (1498, 13437622), (2354, 8551214), (2996, 6718811), (4708, 4275607), (8239, 2443204), (16478, 1221602), (32956, 610801)]