20421342

素因数分解:

$2^1\times 3^3\times {\mathrm{79}}^1\times {\mathrm{4787}}^1$

素因数の和:4877

約数の個数: 32

約数和(自身を含む): 45964800

約数和(自身を除く): 25543458

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 158, 237, 474, 711, 1422, 2133, 4266, 4787, 9574, 14361, 28722, 43083, 86166, 129249, 258498, 378173, 756346, 1134519, 2269038, 3403557, 6807114, 10210671, 20421342]

約数ペア:

[(1, 20421342), (2, 10210671), (3, 6807114), (6, 3403557), (9, 2269038), (18, 1134519), (27, 756346), (54, 378173), (79, 258498), (158, 129249), (237, 86166), (474, 43083), (711, 28722), (1422, 14361), (2133, 9574), (4266, 4787)]