20145738

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2897}}^1$

素因数の和:2982

約数の個数: 32

約数和(自身を含む): 43122240

約数和(自身を除く): 22976502

約数列:

[1, 2, 3, 6, 19, 38, 57, 61, 114, 122, 183, 366, 1159, 2318, 2897, 3477, 5794, 6954, 8691, 17382, 55043, 110086, 165129, 176717, 330258, 353434, 530151, 1060302, 3357623, 6715246, 10072869, 20145738]

約数ペア:

[(1, 20145738), (2, 10072869), (3, 6715246), (6, 3357623), (19, 1060302), (38, 530151), (57, 353434), (61, 330258), (114, 176717), (122, 165129), (183, 110086), (366, 55043), (1159, 17382), (2318, 8691), (2897, 6954), (3477, 5794)]