20357892

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{3307}}^1$

素因数の和:3342

約数の個数: 60

約数和(自身を含む): 56037520

約数和(自身を除く): 35679628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 2052, 3078, 3307, 6156, 6614, 9921, 13228, 19842, 29763, 39684, 59526, 62833, 89289, 119052, 125666, 178578, 188499, 251332, 267867, 357156, 376998, 535734, 565497, 753996, 1071468, 1130994, 1696491, 2261988, 3392982, 5089473, 6785964, 10178946, 20357892]

約数ペア:

[(1, 20357892), (2, 10178946), (3, 6785964), (4, 5089473), (6, 3392982), (9, 2261988), (12, 1696491), (18, 1130994), (19, 1071468), (27, 753996), (36, 565497), (38, 535734), (54, 376998), (57, 357156), (76, 267867), (81, 251332), (108, 188499), (114, 178578), (162, 125666), (171, 119052), (228, 89289), (324, 62833), (342, 59526), (513, 39684), (684, 29763), (1026, 19842), (1539, 13228), (2052, 9921), (3078, 6614), (3307, 6156)]