20817505314

素因数分解:

$2^1\times 3^2\times {\mathrm{101}}^1\times {\mathrm{409}}^1\times {\mathrm{27997}}^1$

素因数の和:28515

約数の個数: 48

約数和(自身を含む): 45664178040

約数和(自身を除く): 24846672726

約数列:

[1, 2, 3, 6, 9, 18, 101, 202, 303, 409, 606, 818, 909, 1227, 1818, 2454, 3681, 7362, 27997, 41309, 55994, 82618, 83991, 123927, 167982, 247854, 251973, 371781, 503946, 743562, 2827697, 5655394, 8483091, 11450773, 16966182, 22901546, 25449273, 34352319, 50898546, 68704638, 103056957, 206113914, 1156528073, 2313056146, 3469584219, 6939168438, 10408752657, 20817505314]

約数ペア:

[(1, 20817505314), (2, 10408752657), (3, 6939168438), (6, 3469584219), (9, 2313056146), (18, 1156528073), (101, 206113914), (202, 103056957), (303, 68704638), (409, 50898546), (606, 34352319), (818, 25449273), (909, 22901546), (1227, 16966182), (1818, 11450773), (2454, 8483091), (3681, 5655394), (7362, 2827697), (27997, 743562), (41309, 503946), (55994, 371781), (82618, 251973), (83991, 247854), (123927, 167982)]