20789898

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1430

約数の個数: 32

約数和(自身を含む): 43276992

約数和(自身を除く): 22487094

約数列:

[1, 2, 3, 6, 43, 61, 86, 122, 129, 183, 258, 366, 1321, 2623, 2642, 3963, 5246, 7869, 7926, 15738, 56803, 80581, 113606, 161162, 170409, 241743, 340818, 483486, 3464983, 6929966, 10394949, 20789898]

約数ペア:

[(1, 20789898), (2, 10394949), (3, 6929966), (6, 3464983), (43, 483486), (61, 340818), (86, 241743), (122, 170409), (129, 161162), (183, 113606), (258, 80581), (366, 56803), (1321, 15738), (2623, 7926), (2642, 7869), (3963, 5246)]