20972317000

素因数分解:

$2^3\times 5^3\times {\mathrm{59}}^1\times {\mathrm{355463}}^1$

素因数の和:355543

約数の個数: 64

約数和(自身を含む): 49907145600

約数和(自身を除く): 28934828600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 59, 100, 118, 125, 200, 236, 250, 295, 472, 500, 590, 1000, 1180, 1475, 2360, 2950, 5900, 7375, 11800, 14750, 29500, 59000, 355463, 710926, 1421852, 1777315, 2843704, 3554630, 7109260, 8886575, 14218520, 17773150, 20972317, 35546300, 41944634, 44432875, 71092600, 83889268, 88865750, 104861585, 167778536, 177731500, 209723170, 355463000, 419446340, 524307925, 838892680, 1048615850, 2097231700, 2621539625, 4194463400, 5243079250, 10486158500, 20972317000]

約数ペア:

[(1, 20972317000), (2, 10486158500), (4, 5243079250), (5, 4194463400), (8, 2621539625), (10, 2097231700), (20, 1048615850), (25, 838892680), (40, 524307925), (50, 419446340), (59, 355463000), (100, 209723170), (118, 177731500), (125, 167778536), (200, 104861585), (236, 88865750), (250, 83889268), (295, 71092600), (472, 44432875), (500, 41944634), (590, 35546300), (1000, 20972317), (1180, 17773150), (1475, 14218520), (2360, 8886575), (2950, 7109260), (5900, 3554630), (7375, 2843704), (11800, 1777315), (14750, 1421852), (29500, 710926), (59000, 355463)]