20762985

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{809}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 34992000

約数和(自身を除く): 14229015

約数列:

[1, 3, 5, 15, 29, 59, 87, 145, 177, 295, 435, 809, 885, 1711, 2427, 4045, 5133, 8555, 12135, 23461, 25665, 47731, 70383, 117305, 143193, 238655, 351915, 715965, 1384199, 4152597, 6920995, 20762985]

約数ペア:

[(1, 20762985), (3, 6920995), (5, 4152597), (15, 1384199), (29, 715965), (59, 351915), (87, 238655), (145, 143193), (177, 117305), (295, 70383), (435, 47731), (809, 25665), (885, 23461), (1711, 12135), (2427, 8555), (4045, 5133)]