20394178935

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{911}}^1\times {\mathrm{8831}}^1$

素因数の和:9776

約数の個数: 48

約数和(自身を含む): 35376611328

約数和(自身を除く): 14982432393

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 911, 2535, 2733, 4555, 8831, 11843, 13665, 26493, 35529, 44155, 59215, 114803, 132465, 153959, 177645, 344409, 461877, 574015, 769795, 1492439, 1722045, 2309385, 4477317, 7462195, 8045041, 22386585, 24135123, 40225205, 104585533, 120675615, 313756599, 522927665, 1359611929, 1568782995, 4078835787, 6798059645, 20394178935]

約数ペア:

[(1, 20394178935), (3, 6798059645), (5, 4078835787), (13, 1568782995), (15, 1359611929), (39, 522927665), (65, 313756599), (169, 120675615), (195, 104585533), (507, 40225205), (845, 24135123), (911, 22386585), (2535, 8045041), (2733, 7462195), (4555, 4477317), (8831, 2309385), (11843, 1722045), (13665, 1492439), (26493, 769795), (35529, 574015), (44155, 461877), (59215, 344409), (114803, 177645), (132465, 153959)]