20996834690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1297}}^1\times {\mathrm{124529}}^1$

素因数の和:125846

約数の個数: 32

約数和(自身を含む): 40733264880

約数和(自身を除く): 19736430190

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1297, 2594, 6485, 12970, 16861, 33722, 84305, 124529, 168610, 249058, 622645, 1245290, 1618877, 3237754, 8094385, 16188770, 161514113, 323028226, 807570565, 1615141130, 2099683469, 4199366938, 10498417345, 20996834690]

約数ペア:

[(1, 20996834690), (2, 10498417345), (5, 4199366938), (10, 2099683469), (13, 1615141130), (26, 807570565), (65, 323028226), (130, 161514113), (1297, 16188770), (2594, 8094385), (6485, 3237754), (12970, 1618877), (16861, 1245290), (33722, 622645), (84305, 249058), (124529, 168610)]