20364615

素因数分解:

$3^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:211

約数の個数: 56

約数和(自身を含む): 37879008

約数和(自身を除く): 17514393

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 111, 135, 151, 185, 243, 333, 405, 453, 555, 729, 755, 999, 1215, 1359, 1665, 2265, 2997, 3645, 4077, 4995, 5587, 6795, 8991, 12231, 14985, 16761, 20385, 26973, 27935, 36693, 44955, 50283, 61155, 83805, 110079, 134865, 150849, 183465, 251415, 452547, 550395, 754245, 1357641, 2262735, 4072923, 6788205, 20364615]

約数ペア:

[(1, 20364615), (3, 6788205), (5, 4072923), (9, 2262735), (15, 1357641), (27, 754245), (37, 550395), (45, 452547), (81, 251415), (111, 183465), (135, 150849), (151, 134865), (185, 110079), (243, 83805), (333, 61155), (405, 50283), (453, 44955), (555, 36693), (729, 27935), (755, 26973), (999, 20385), (1215, 16761), (1359, 14985), (1665, 12231), (2265, 8991), (2997, 6795), (3645, 5587), (4077, 4995)]