20818416

素因数分解:

$2^4\times 3^1\times {\mathrm{179}}^1\times {\mathrm{2423}}^1$

素因数の和:2613

約数の個数: 40

約数和(自身を含む): 54103680

約数和(自身を除く): 33285264

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 179, 358, 537, 716, 1074, 1432, 2148, 2423, 2864, 4296, 4846, 7269, 8592, 9692, 14538, 19384, 29076, 38768, 58152, 116304, 433717, 867434, 1301151, 1734868, 2602302, 3469736, 5204604, 6939472, 10409208, 20818416]

約数ペア:

[(1, 20818416), (2, 10409208), (3, 6939472), (4, 5204604), (6, 3469736), (8, 2602302), (12, 1734868), (16, 1301151), (24, 867434), (48, 433717), (179, 116304), (358, 58152), (537, 38768), (716, 29076), (1074, 19384), (1432, 14538), (2148, 9692), (2423, 8592), (2864, 7269), (4296, 4846)]