20097802600

素因数分解:

$2^3\times 5^2\times {\mathrm{83}}^1\times {\mathrm{1210711}}^1$

素因数の和:1210810

約数の個数: 48

約数和(自身を含む): 47290410720

約数和(自身を除く): 27192608120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 83, 100, 166, 200, 332, 415, 664, 830, 1660, 2075, 3320, 4150, 8300, 16600, 1210711, 2421422, 4842844, 6053555, 9685688, 12107110, 24214220, 30267775, 48428440, 60535550, 100489013, 121071100, 200978026, 242142200, 401956052, 502445065, 803912104, 1004890130, 2009780260, 2512225325, 4019560520, 5024450650, 10048901300, 20097802600]

約数ペア:

[(1, 20097802600), (2, 10048901300), (4, 5024450650), (5, 4019560520), (8, 2512225325), (10, 2009780260), (20, 1004890130), (25, 803912104), (40, 502445065), (50, 401956052), (83, 242142200), (100, 200978026), (166, 121071100), (200, 100489013), (332, 60535550), (415, 48428440), (664, 30267775), (830, 24214220), (1660, 12107110), (2075, 9685688), (3320, 6053555), (4150, 4842844), (8300, 2421422), (16600, 1210711)]