20907276

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5827}}^1$

素因数の和:5870

約数の個数: 48

約数和(自身を含む): 54829824

約数和(自身を除く): 33922548

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 5827, 11654, 17481, 23308, 34962, 69924, 75751, 134021, 151502, 227253, 268042, 303004, 402063, 454506, 536084, 804126, 909012, 1608252, 1742273, 3484546, 5226819, 6969092, 10453638, 20907276]

約数ペア:

[(1, 20907276), (2, 10453638), (3, 6969092), (4, 5226819), (6, 3484546), (12, 1742273), (13, 1608252), (23, 909012), (26, 804126), (39, 536084), (46, 454506), (52, 402063), (69, 303004), (78, 268042), (92, 227253), (138, 151502), (156, 134021), (276, 75751), (299, 69924), (598, 34962), (897, 23308), (1196, 17481), (1794, 11654), (3588, 5827)]