20178014747

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{5209}}^1$

素因数の和:5555

約数の個数: 32

約数和(自身を含む): 23443499520

約数和(自身を除く): 3265484773

約数列:

[1, 11, 23, 61, 251, 253, 671, 1403, 2761, 5209, 5773, 15311, 15433, 57299, 63503, 119807, 168421, 317749, 352153, 1307459, 1317877, 3495239, 3873683, 7308227, 14382049, 30071557, 79754999, 80390497, 330787127, 877304989, 1834364977, 20178014747]

約数ペア:

[(1, 20178014747), (11, 1834364977), (23, 877304989), (61, 330787127), (251, 80390497), (253, 79754999), (671, 30071557), (1403, 14382049), (2761, 7308227), (5209, 3873683), (5773, 3495239), (15311, 1317877), (15433, 1307459), (57299, 352153), (63503, 317749), (119807, 168421)]