20803518

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1031}}^1$

素因数の和:1117

約数の個数: 48

約数和(自身を含む): 48297600

約数和(自身を除く): 27494082

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 59, 114, 118, 171, 177, 342, 354, 531, 1031, 1062, 1121, 2062, 2242, 3093, 3363, 6186, 6726, 9279, 10089, 18558, 19589, 20178, 39178, 58767, 60829, 117534, 121658, 176301, 182487, 352602, 364974, 547461, 1094922, 1155751, 2311502, 3467253, 6934506, 10401759, 20803518]

約数ペア:

[(1, 20803518), (2, 10401759), (3, 6934506), (6, 3467253), (9, 2311502), (18, 1155751), (19, 1094922), (38, 547461), (57, 364974), (59, 352602), (114, 182487), (118, 176301), (171, 121658), (177, 117534), (342, 60829), (354, 58767), (531, 39178), (1031, 20178), (1062, 19589), (1121, 18558), (2062, 10089), (2242, 9279), (3093, 6726), (3363, 6186)]