20459796

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{653}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 54789504

約数和(自身を除く): 34329708

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 373, 653, 746, 1119, 1306, 1492, 1959, 2238, 2611, 2612, 3918, 4476, 4571, 5222, 7833, 7836, 9142, 10444, 13713, 15666, 18284, 27426, 31332, 54852, 243569, 487138, 730707, 974276, 1461414, 1704983, 2922828, 3409966, 5114949, 6819932, 10229898, 20459796]

約数ペア:

[(1, 20459796), (2, 10229898), (3, 6819932), (4, 5114949), (6, 3409966), (7, 2922828), (12, 1704983), (14, 1461414), (21, 974276), (28, 730707), (42, 487138), (84, 243569), (373, 54852), (653, 31332), (746, 27426), (1119, 18284), (1306, 15666), (1492, 13713), (1959, 10444), (2238, 9142), (2611, 7836), (2612, 7833), (3918, 5222), (4476, 4571)]