20393772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2269}}^1$

素因数の和:2390

約数の個数: 48

約数和(自身を含む): 54915840

約数和(自身を除く): 34522068

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 107, 214, 321, 428, 642, 749, 1284, 1498, 2247, 2269, 2996, 4494, 4538, 6807, 8988, 9076, 13614, 15883, 27228, 31766, 47649, 63532, 95298, 190596, 242783, 485566, 728349, 971132, 1456698, 1699481, 2913396, 3398962, 5098443, 6797924, 10196886, 20393772]

約数ペア:

[(1, 20393772), (2, 10196886), (3, 6797924), (4, 5098443), (6, 3398962), (7, 2913396), (12, 1699481), (14, 1456698), (21, 971132), (28, 728349), (42, 485566), (84, 242783), (107, 190596), (214, 95298), (321, 63532), (428, 47649), (642, 31766), (749, 27228), (1284, 15883), (1498, 13614), (2247, 9076), (2269, 8988), (2996, 6807), (4494, 4538)]